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2017

19602153Radio receiving apparatus for receiving frequency-modulated radio signal
29602055Single-ended mixer with reduced loss
39584170Broadband superhetrodyne receiver with agile intermediate frequency for interference mitigation
49571035Alternating anti-parallel diode mixer structure
59548779Multi-user satellite receiving system and method thereof

2016

69525447Radio receiver co-existence
79520954Method and system for characterizing phase dispersion in intermediate frequency channel of receiver
89520833Active ring mixer
99515690Receiver with multi-spectrum parallel amplification
109509354Homodyne receiver with improved linearity
119496908Superheterodyne receiver with improved immunity to spurious noise interference
129496840Radio receiver
139496231Bypass ring to improve noise isolation of coils and inductors
149484972Reception device and electronic apparatus
159467184Branch circuit and branch cable
169467093Single ended receiver with a multi-port transformer and shared mixer
179455753Non-linear capacitance based parametric mixer
189450598Two-stage digital down-conversion of RF pulses
199444511Plug-and-play time-variant antenna module for wireless communication devices
209438169Mixer
219432896Mobility across satellite beams using L2 connectivity
229431961Phase shifting mixer
239425838System and method for digital interference cancellation
249407304Inductor based switching mixer circuit
259407205Double down-conversion with multiple independent intermediate frequencies for E-band applications
269401732Receiver and receiving method of receiver
279356639Receiver with multi-spectrum parallel amplification
289356634Down-conversion circuit
299350399Method and apparatus for baseband processing an analog signal in a direct conversion radio receiver
309337534Method and device for radio reception using an antenna tuning apparatus and a plurality of antennas
319331634Frequency down-conversion
329319027Injecting a tone for image rejection calibration
339318999Sampling mixer circuit and receiver
349312816Frequency and phase conversion circuit, wireless communication unit, integrated circuit and method therefor
359306777Direct conversion receiver including a charge area decimation filter
369301177Method and system to improve antenna tuner reliability
379300337Reconfigurable carrier-aggregation receiver and filter
389281850Adaptive impedance translation circuit
399276620Second-order input intercept point (IIP2) calibration method of a mixer in a wireless communication system and the mixer using the same
409270316Radio frequency front-end based on high-intermediate frequency superheterodyne and zero intermediate frequency structure
419270314RF-to-BB-current-reuse wideband receiver with a single-MOS pole-zero LPF
429270303Configurable receiver architecture for carrier aggregation with multiple-input multiple-output
439264096Receiver
449264091Mixer unit
459264020Systems and methods for improving the time alignment of non-overlapping waveforms
469258019Communication device
479236836Signal processing for digital network analyzer
489231634Compensation apparatus and wireless communication equipment
499231630Radio device having dynamic intermediate frequency scaling

2015

509219417Switching power supply device
519209910Blocker filtering for noise-cancelling receiver
529209845Calibration
539197221Class-F CMOS oscillator incorporating differential passive network
549191037Wireless radio system optimization by persistent spectrum analysis
559179386Optimization of interlayer handovers in multilayer wireless communication networks
569172416Simplified high frequency tuner and tuning method
579166530Low noise amplifier and receiver
589160390Method and system for impairment shifting
599160276Adaptive impedance translation circuit
609154173Linear sampler
619154084Low-noise receiver with complex RF attenuator
629154081Subharmonic mixer
639137726Method for selecting an adaptive CoMP scheme
649130646Signal generating device and radio device
659130645Minimizing bandwidth in down-conversion of multiple RF channels
669130642Frequency-selective circuit with mixer module implemented for controlling frequency response, and related signal processing apparatus and method
679130639Frequency resolver
689124345If process engine and receiver having the same and method for removing if carriers used therein
699118335High resolution millimeter wave digitally controlled oscillator with reconfigurable distributed metal capacitor passive resonators
709112569Detection and mitigation of interference based on interference location
719112482Receiver
729103915Reference oscillator management for wireless devices having position determination functionality
739094024Signal processing apparatus and method, receiving apparatus and method, and, transmitting apparatus and method
749093956Variable duty-cycle multi-standard mixer
759088244Frequency converter
769083423Semiconductor circuit, D/A converter, mixer circuit, radio communication device, method for adjusting threshold voltage, and method for determining quality of transistor
779077306Mixer having frequency selectivity
789071196Double balanced mixer with switching pairs complementary to each other
799065390Radio frequency front-end circuit for receiver and low noise amplifier thereof
809054779Radio frequency interference shield
819054748Reconfigurable wideband receiver
829042859Dual carrier amplifier circuits and methods
839041539RFID tag and method for receiving signal thereof
849037107Communication device with improved interference rejection and a method therof
859031529Method and system for low-noise, highly-linear receiver front-end
869025714Synchronous data system and method for providing phase-aligned output data
879014653High-IF superheterodyne receiver incorporating high-Q complex band pass filter
889008604Mixer with linearized input
898989692High speed, wide frequency-range, digital phase mixer and methods of operation
908977225Unidirectional sampling mixer
918976762Radio frequency architecture for spectrum access networks
928958769Direct conversion receiver for angle modulated signals
938958764Method and apparatus for detecting amplitudes and/or phases of recognizable signals in a frequency band or spectrum of interest
948957766Universal transmitter
958942655Integrated circuit, wireless communication unit and method for determining quadrature imbalance
968929845Instrument LO used as alignment signal source
978929840Local oscillator buffer and mixer having adjustable size

2014

988923788Circuit and method for adjusting a digitally controlled oscillator
998923239Method and system for customizable flow management in a cellular basestation
1008913978RTWO-based down converter
1018909188Mixer
1028909186Receiver, method and mobile communication device
1038909182Physically small tunable narrow band antenna
1048903347Simplified high frequency tuner and tuning method
1058892065Method, apparatus, and computer program product for wireless signal storage with signal recognition detection triggering
1068886142Method and apparatus for sensing inter-modulation to improve radio performance in single and dual tuner
1078880018Rotating harmonic rejection mixer
1088874063Simultaneous signal receiver with interspersed frequency allocation
1098868021Ultra-broadband planar millimeter-wave mixer with multi-octave IF bandwidth
1108862083Tuning circuit
1118861620Full band cable receiver
1128849232Methods of receiving and receivers
1138838058Extending the upper frequency limit of a communications radio
1148831551Receiver
1158831549Receiver circuit and associated method
1168805309Down-converter
1178798553Signal processing circuit, signal processing method and control program recording medium
1188797975Scrambling code selection
1198792847Linearity in passive mixer circuits
1208787864Receiver IIP2 analog calibration
1218787863Unidirectional sampling mixer
1228787862Method of receiving and receivers
1238781396Contactless receiver, resonant circuit, and variable capacitance element
1248774750Method and apparatus for controlling a harmonic rejection mixer
1258774749Virtual weaver architecture filter
1268774748Receiver for FSK radio frequency signals with high sensitivity demodulator and method for activating the same
1278768328Switching method and system of multiple input multiple output mode
1288768283Complex intermediate frequency mixer stage and calibration thereof
1298768282Apparatus generating subcarrier for transmission between ultra-high frequency channels and method generating of the same
1308768281Method and apparatus for controlling a harmonic rejection mixer
1318768280Method and apparatus relating to signal control
1328767594Dual-mode mixer
1338737946Down-converter, up-converter, receiver and transmitter applying the same
1348731507Frequency conversion device for wireless systems
1358731505Programmable IF output receiver, and applications thereof
1368725104Method and apparatus for an energy-efficient receiver
1378718591Discrete time polyphase mixer
1388718590Downconversion of comb spectrum
1398718190Receiver/transmitter capable of simultaneously receiving/transmitting discontinuous frequency signals and method thereof
1408706071Reconfigurable wideband receiver
1418706067Wireless sensor with analog detector
1428699985Frequency generator including direct digital synthesizer and signal processor including the same
1438693973670 GHz Schottky diode based subharmonic mixer with CPW circuits and 70 GHz IF
1448688067Sampling circuit and receiver using same
1458670741Mixer with high second-order and third-order intercept point
1468670740Direct digital conversion tuner
1478666353Multiple frequency band information signal universal front end with adjustable ADC(s)
1488666352Harmonic cancellation for frequency conversion harmonic cancellation
1498664999Mixer arrangement
1508660514Multiple mode RF circuit
1518649753Method and system for using a microstrip to switch circuits in CMOS applications
1528644787Apparatus and method for forming multiple independent and dynamically adaptable intermediate frequency signals
1538644786Receiver apparatus having filters implemented using frequency translation techniques
1548639206Method and apparatus for quadrature mixer circuits
1558639205Reduced power-consumption receivers
1568630649Terminal, method for handover thereof and supporting method for handover of base station
1578626105Mixer-amplifier for an RF receive chain

2013

1588620254Wireless communication device and system
1598620243System and method for an intelligent radio frequency receiver
1608606210Polyphase harmonic rejection mixer
1618606209Apparatus and methods for efficient implementation of tuners
1628606208Filter circuit and radio terminal including filter circuit
1638606194Receiver
1648600333Apparatus for mixing frequency
1658600324Circuit and method for adjusting a digitally controlled oscillator
1668599797Apparatus and method for transferring PDP context information for a terminal in the case of intersystem handover
1678598992Self-calibrating RFID transponder
1688594609Drain-pumped sub-harmonic mixer for millimeter wave applications
1698594608Synthesizer and reception device
1708594607Methods and systems for down-converting a signal using a complementary transistor structure
1718589470Down conversion filter
1728588726Low noise mixer
1738588725Apparatus, system, and method for down converting and up-converting electromagnetic signals
1748583073Mixer and frequency converting apparatus
1758583065Digitally controlled antenna tuning circuit for radio frequency receivers
1768581112Coupler apparatus
1778577323High dynamic range time-varying integrated receiver for elimination of off-chip filters
1788577322Signal mixer having a single-ended input and a differential output
1798571512Implementing a passive rotating harmonic rejection mixer (RHRM) for a TV tuner in an integrated circuit
1808571511Apparatus and method for a wideband RF mixer
1818571510High linearity low noise receiver with load switching
1828570920Systems and methods for combining signals from multiple active wireless receivers
1838559906System and method for providing a carbon nanotube mixer
1848548415Carbon nanotube devices and method of fabricating the same
1858543077Method and apparatus for controlling a harmonic rejection mixer
1868543074Frequency agile digital radio receiver
1878538366Rotating harmonic rejection mixer
1888526905Merged filter-transconductor-upconverter
1898526883RF switch for an RF splitter
1908515381Systems and methods for improving 25% duty cycle switching mixer local oscillator timing
1918515380Current mode blixer with noise cancellation
1928515371Programmable IF output receiver, and applications thereof
1938515027Method and system for recalling voicemail messages
1948509725Signal processing device and method
1958503962Implementing a rotating harmonic rejection mixer (RHRM) for a TV tuner in an integrated circuit
1968498605Passive frequency translation with voltage conversion gain
1978498604Double balanced mixer
1988498602Architecture of future open wireless architecture (OWA) radio system
1998494474Dual band diode mixer for RF data receiver
2008489054Millimeter wave oscillator
2018483647Method of receiving and receivers
2028483645Dual carrier amplifier circuits and methods
2038483643Harmonic rejection mixer
2048478220Discrete time polyphase mixer
2058477706Transmission apparatus, transmission method, reception apparatus and reception method
2068476982Reference oscillator management for wireless devices having position determination functionality
2078472910Adaptive impedance translation circuit
2088467762Frequency converting device, television device and frequency converting method
2098463224Arbitrary multiband overlay mixer apparatus and method for bandwidth multiplication
2108463211RF signal receiving apparatus
2118463185Wireless communication system using surface acoustic wave (SAW) second harmonic techniques
2128461900Frequency converting circuit, signal processing circuit and receiver
2138457586Radio frequency circuit and mixer
2148457551Communication device, communication system, and communication method
2158456252Dual in-situ mixing for extended tuning range of resonators
2168442473Methods of receiving and receivers
2178437726High speed, wide frequency-range, digital phase mixer and methods of operation
2188437314Radio frequency architecture for spectrum access networks
2198433278System and method for selecting a message transport for a multi-mode communication device
2208433277Passive mixer and four-phase clocking method and apparatus
2218433276Sampling circuit and receiver
2228428544Heterodyne commutating mixer apparatus
2238428530Increasing the robustness of channel estimates derived through sounding for WLAN
2248422979Method and system for low-noise, highly-linear receiver front-end
2258422978Broadband tuner for very wide signal conversion
2268422977Programmable filter
2278412142Multiple frequency band information signal universal front end with adjustable ADC(s)
2288412131Down conversion filter and communication receiving apparatus
2298401512Compact high linearity MMIC based FET resistive mixer
2308401511Current-mode wireless receiver and reception method thereof
2318401510Common-gate common-source transconductance stage for RF downconversion mixer
2328392176Processing of excitation in audio coding and decoding
2338391913Software-defined radio support in sequestered partitions
2348391823Signal processing apparatus having frequency-selective circuit with mixer module implemented for controlling frequency response and related method thereof
2358391821Radio frequency circuit for multi-mode operation
2368385874Discrete time direct sampling circuit and receiver
2378385865Evolved EDGE receiver
2388380157Up-conversion mixer with signal processing
2398379776OFDM communication device and guard interval length decision method
2408369819Double frequency-conversion receiving circuit and method used for radio-frequency SIM card
2418364111Down-conversion mixer with signal processing
2428362820Semiconductor integrated circuit
2438358998Frequency mixer
2448358985Radio wave receiving apparatus
2458351890Communication device
2468346200Low-noise block

2012

2478340620Frequency converting circuit and receiver
2488340619Phase synchronization of phased array or multiple receiver/transmitter systems
2498340617Sampling mixer, quadrature demodulator, and wireless device
2508331897Highly linear embedded filtering passive mixer
2518315586Signal receiving device and signal receiving method using same, and signal supplying unit and signal supplying method using same
2528315585Method and circuit for a fast reduction in voltage of a DC component and low-frequency components at a mixing circuit output in a receiver of a UHF transceiver
2538311417Decision directed carrier phase estimation with a limiter for coherent dense wavelength division multiplexing systems
2548295800Apparatus and method for down-converting electromagnetic signals by controlled charging and discharging of a capacitor
2558285241Receiver apparatus having filters implemented using frequency translation techniques
2568280339Mixer capable of detecting or controlling common mode voltage thereof
2578280338Mixer cell with a dynamic bleed circuit
2588275342Downconversion mixer
2598260244Rotating harmonic rejection mixer
2608260204Wireless communication system using surface acoustic wave (SAW) second harmonic techniques
2618244198Wireless device local oscillator generation apparatus and methods
2628238308Method of communicating in wireless network
2638237870Receiver system for multiple bandwidth television channels
2648229387Even harmonic mixer
2658229386Receiver applied to a satellite down converter and radio frequency metal-oxide-semiconductor amplifier
2668228874Method of communicating in wireless network
2678224281Down-conversion of an electromagnetic signal with feedback control
2688213893Mixer arrangement
2698208927Method of system access to a wireless network
2708208881Radio frequency receiver and radio frequency transmitter
2718204470Predecoding for joint processing coordinated multi-point transmission
2728204469Low-noise mixer
2738204468Constant output DC bias circuit using an open loop scheme
2748204467Passive mixer mismatch tuning using self-tests to suppress IM2
2758200181Noise reduction in a dual radio frequency receiver
2768199845Up-link SDMA receiver for WiMAX
2778195115Receiver architectures for digital radio broadcasts and associated methods
2788190117Mixer circuit and radio communication device using the same
2798190116Methods and systems for down-converting a signal using a complementary transistor structure
2808185092Selective scanning for WLAN coverage by a multi-mode device
2818185082FM radio receiver
2828185080Harmonic rejection mixer
2838183941Electronic device for generating a local oscillator signal having a frequency equal to a fractional part of a fundamental frequency
2848180313Mixer and transceiver having the mixer
2858180312Receiver architecture for minimizing use of external bandpass filter between low-noise amplifier and first mixer
2868180311Local oscillation routing plan applicable to a multiple RF band RF MIMO transceiver
2878175604Efficient rise over thermal (RoT) control during soft handover
2888174328Dual-band wideband local oscillation signal generator
2898170522Multi-transformer architecture for an active RF circuit
2908170497IC having an RF bus structure
2918169546Technique for tuner automatic gain control circuit for mobile television applications
2928165557Frequency down-conversion system using arrays of coupled non-linear elements
2938165556High dynamic range time-varying integrated receiver for elimination of off-chip filters
2948161186Communication system between a vehicle network and a wayside network
2958160533Self-calibrating mixer
2968150360DC offset calibration in a direct conversion receiver
2978150359Multiple frequency band hybrid receiver
2988150358Method for performing dual mode image rejection calibration in a receiver
2998149955Single ended multiband feedback linearized RF amplifier and mixer with DC-offset and IM2 suppression feedback loop
3008145178Wireless terminal baseband processor high speed turbo decoding module
3018145177Receiving apparatus
3028145176Front end and high frequency receiver having quadrature low noise amplifier
3038145143Bidirectional frequency converter and radio equipment using same
3048140044Mixer circuit and method of operation
3058135374Frequency converting circuit and receiver
3068134421Voltage control oscillator and quadrature modulator
3078131249Frequency converter
3088131248Mixer with local oscillator feed-forward and method of mixing signals with local oscillator feed-forward
3098131244Method and system for dynamically adjusting intermediate frequency (IF) and filtering for microwave circuits
3108121579Active mixer circuit and a receiver circuit or a millimeter-wave communication unit using it
3118121577Controllable input impedance radio frequency mixer
3128121558Local oscillator generator architecture using a wide tuning range oscillator
3138116717Self-calibrating direct conversion transmitter with converting/steering device
3148112059Mixer circuit, integrated circuit device and radio frequency communication unit
3158112058Miniaturized dual-balanced mixer circuit based on a double spiral layout architecture
3168112057Sampling mixer and receiver
3178112056Distributed direct conversion receiver (DDCR) for UWB systems
3188107919RF receiver
3198107914RF filter with low-IF mixing, tuning and calibration
3208107908Selective fast image rejection
3218103236Method and apparatus for processing signal
3228099072Frequency changer circuits
3238099048Wireless communication system using surface acoustic wave (SAW) second harmonic techniques
3248095103Upconverter and downconverter with switched transconductance and LO masking
3258090340Down-converter and calibration method thereof
3268090332Tracking filter for a receiver

2011

3278086210Flow based layer 2 handover mechanism for mobile node with multi network interfaces
3288086209Method and apparatus for frequency mixing of radio frequency signals
3298086208Passive wireless receiver
3308086207Linear transconductor for RF communications
3318081947Method and system for configurable active/passive mixer and shared GM stage
3328078133Reduction of gain switching induced phase jumps in high dynamic range downcoversion mixers
3338073415Tunable receiving apparatus and method therefor
3348064871Miniaturized dual-balanced mixer circuit based on a multilayer double spiral layout architecture
3358064870Miniaturized dual-balanced mixer circuit based on a trifilar layout architecture
3368064869Electronic mixer
3378064868Dynamic current steering mixer
3388064867RX dual-band mixer
3398060048Mixer arrangement
3408058940Dual in-situ mixing for extended tuning range of resonators
3418050649Downconversion mixer with IM2 cancellation
3428050648Superconducting digital mixer
3438045951Dual-LO mixer and radio
3448045950Mixer circuit, receiving circuit, transmitting circuit, and method for operating a mixer circuit
3458045943High performance CMOS radio frequency receiver
3468045650Radio receiving apparatus
3478036627Bidirectional frequency mixer, radiofrequency transceiver system including such a mixer
3488036626Method and system for a distributed transceiver with DDFS channel selection
3498036625Method and apparatus for mixing a signal
3508032105Multistage frequency conversion
3518032104RF transceiver with undesired signal rejection and methods for use therewith
3528027657Sampling mixer with asynchronous clock and signal domains
3538027656Method and system for a distributed transceiver for high frequency applications
3548023923Mixer circuit
3558023922Receiver for simultaneously receiving different standards
3568019315Mixer and frequency converting apparatus
3578019314Radio communication apparatus
3588019313Method and system for distributed transceivers based on notch filters and passive mixers
3598019312DC offset calibration for a radio transceiver mixer
3608019311Systems and methods for DC component recovery in a zero-IF radio receiver
3618019310Local oscillator buffer and mixer having adjustable size
3628019296Selective scanning for WLAN coverage by a multi-mode device
3638010077DC offset calibration in a direct conversion receiver
3648010075High order harmonics generator
3658010074Mixer circuits for second order intercept point calibration
3668000676Second intercept point (IP2) calibrator and method for calibrating IP2
3678000675Low cost method for receiving broadcast channels with a cellular terminal
3687995983Gilbert mixers with improved isolation
3697991377Mixer and frequency converting apparatus
3707991376Mixer used for direct conversion receiver
3717991375RFIC with high power PA
3727986192Harmonic rejection mixer and harmonic rejection mixing method
3737983648Low intermediate frequency receiver and the same method thereof
3747979044Method and system for utilizing undersampling and/or a digital delay line to remove out-of-band blocker signals
3757979042Generating phase shift based on adding two vectors with variable gains
3767970373Direct digital conversion tuner and method for using same
3777970372Frequency converter circuit and satellite position signal receiving device
3787969254I/Q impairment calibration using a spectrum analyzer
3797962114Drain-pumped sub-harmonic mixer for millimeter wave applications
3807957716Baseband filters for use in wireless communication devices
3817957715Spectrally constrained local oscillator switching
3827953435Method and system for a mobile architecture that supports a cellular or wireless network and broadcast utilizing an integrated single chip cellular and broadcast silicon solution
3837949325RF transmitter and integrated circuit with programmable filter module and methods for use therewith
3847949324Method for compensating transmission carrier leakage and transceiving circuit embodying the same
3857949319Receiver architectures for digital radio broadcasts and associated methods
3867949313Direct conversion device with compensation means for a transmission path of a wireless communication equipment
3877945230Time-multiplexed common mode feedback for passive quadrature RF mixers
3887941093Spurious-free flexible frequency converter and a satellite communication repeater architecture
3897937060Self-improving channel-access protocol for ad-hoc networks
3907937059Converting an electromagnetic signal via sub-sampling
3917928807Frequency synthesizer architecture for multi-band ultra-wideband system
3927925232Reduced cost mobile satellite antenna system using a plurality of satellite transponders
3937917119Band control apparatus, band control program and band control method
3947907928High speed, wide frequency-range, digital phase mixer and methods of operation
3957907922Receiver without phase locked loop frequency synthesizer and receiving method using the same
3967904050Mixer apparatus having switchable local oscillator inputs
3977904049Wireless terminal baseband processor high speed turbo decoding module
3987899432Submillimeter wave heterodyne receiver
3997899431DC offset correction system for a receiver with baseband gain control
4007899429RF transceiver with undesired signal rejection and methods for use therewith
4017898351Modulation circuit, modulation method, program and communication apparatus
4027894790Dual conversion receiver with reduced harmonic interference
4037894789Down-conversion of an electromagnetic signal with feedback control
4047890078Dual band WLAN communication frequency synthesizer technique
4057890077Balanced mixer with calibration of load impedances
4067890076Mixer circuit and method
4077885683Method and system for simultaneous FM transmit and FM receive functions using an integrated bluetooth local oscillator generator (LOGEN)
4087885620High dynamic range time-varying integrated receiver for elimination of off-chip filters
4097881747Method and system for a mobile architecture that supports a cellular or wireless network and broadcast utilizing an integrated single chip cellular and broadcast silicon solution
4107881681Self-calibrating direct conversion transmitter with converting/steering device
4117877075Signal mixer having a single-ended input and a differential output

2010

4127860480Method and apparatus for controlling a harmonic rejection mixer
4137860075Transmission device and transmission method
4147859270Method for correcting differential output mismatch in a passive CMOS mixer circuit
4157856222Integrated balun and coupler transformer
4167856221Mixer topologies having improved second order intermodulation suppression
4177853233Zero if down converter with even order harmonic suppression
4187848728Broadband balanced frequency converter
4197844241High linearity frequency conversion system and method
4207835716RF receiving apparatus and method using DC offset free baseband signal
4217835714Radio wave reception device, radio wave clock
4227831234Mixer arrangement, use of the mixer arrangement and method for frequency conversion
4237831197Outside unit for satellite reception and method of reception with said unit
4247827313Addressing method and method and apparatus for establishing host identity protocol (HIP) connections between legacy and HIP nodes
4257826816Systems, methods, and apparatus for frequency conversion
4267822402Method of performing frequency conversion and associated frequency converter
4277822401Apparatus and method for down-converting electromagnetic signals by controlled charging and discharging of a capacitor
4287817980Receiver for use in wireless communications and method of operation of the receiver
4297809349Radio frequency filter using intermediate frequency impedance translation
4307805124Low-loss frequency pattern generator
4317801505Multipulse/multitone mixing receiver
4327801504Common-gate common-source transconductance stage for RF downconversion mixer
4337796968Frequency conversion circuit
4347796964Intermediate-frequency type radio signal receiver
4357787852RF receiver with harmonic blocking in LO
4367783274Chopped intermediate frequency wireless receiver
4377783266Bidirectional frequency converter and radio equipment using same
4387783250Method for up converting a transmitted signal and down converting a received signal
4397778613Dual conversion receiver with programmable intermediate frequency and channel selection
4407773969Current converter, frequency mixer, radiofrequency transmission system and method for frequency mixing
4417769360Adapter for the RF front end processor chip
4427764941Radio communications apparatus
4437764940System and method for discovering frequency related spurs in a multi-conversion tuner
4447756505Semiconductor integrated circuit and a software radio device
4457756504Rotating harmonic rejection mixer
4467756503High frequency module
4477751793Integrated structure of inductances with shared values on a semiconductor substrate
4487751792Higher linearity passive mixer
4497747220Wireless communication system using surface acoustic wave (SAW) second harmonic techniques
4507742751Filter scheme for receiver
4517738852Low noise mixer
4527738851Harmonic rejection mixer
4537734271Waveguide samplers and frequency converters
4547729682Receiver and methods for use therewith
4557729681Radio wave receiving apparatus, radio wave receiving circuit and radio wave timepiece
4567729673Method and apparatus for multichannel signal limiting
4577725092Dynamic current steering mixer
4587715814Method and system for spurious signal control in receivers
4597711346System and method for frequency translation using an image reject mixer
4607702288Digital baseband system and process for compensating for analog radio transmitter impairments
4617701300Multi-frequency synthesizing apparatus and method for multi-band RF receiver
4627693539Mobile communication system, radio network controller, base station and communication method
4637693503Mixer having filtering module to filter out low-frequency components to minimize noise
4647689194Balanced circuit arrangement and method for linearizing such an arrangement
4657684779Wireless terminal baseband processor high speed turbo decoding module
4667680474Superconducting digital mixer
4677676211Reconfigurable baseband filter
4687672659Mixer with feedback
4697672658Frequency-converting circuit and down converter with the same
4707668527Multi-function passive frequency mixer
4717664477Communications system using a low cost oscillator and related method thereof
4727664210Non-coherent synchronous direct-conversion receiving apparatus for compensating frequency offset
4737660571Programmable attenuator using digitally controlled CMOS switches
4747657247Mixer constant linear range biasing apparatus and method
4757653372Communication device, mixer and method thereof
4767653368Radio receiver and a method thereof
4777647035RF transceiver with undesired signal rejection and methods for use therewith

2009

4787640002RF amplifier
4797636562Radio frequency mixer and method of operation
4807636559RF filter adjustment based on LC variation
4817634242Systems and methods for filter center frequency location
4827630700Multi-function passive frequency mixer
4837630697Local oscillator control in radio receivers
4847627303Signal downconverter
4857623839Semiconductor integrated circuit
4867623838Sampling mixer with asynchronous clock and signal domains
4877616938Mixer offset cancellation without generating I/Q imbalance
4887616937Subharmonic mixer capable of reducing noise and enhancing gain and linearlty
4897616045Mixer with balanced local oscillator signal
4907613441Radio wave reception device and radio wave clock
4917613440Mixer circuit
4927613434Multiplexer and wireless receiver
4937610032System and method for frequency translation with harmonic suppression using mixer stages
4947609776Quadrature frequency changer, tuner and modulator
4957606551Mixer circuit with balanced frequency mixer with varactor diodes
4967606550Method and system for a dual mode receiver with low intermediate frequency (IF) and zero second IF
4977599678Processor for a passive ranger
4987596362DC offset calibration for a radio transceiver mixer
4997596149Low bit rate video transmission over GSM network
5007593692Radar detection circuit for a WLAN transceiver
5017590991Method and apparatus for determining channel to which a TV or VCR is tuned
5027589597Ultra wideband and fast hopping frequency synthesizer for MB-OFDM wireless application
5037589579Mixer circuit
5047587192Balanced mixer with calibration of load impedances
5057583949Radio wave receiving device and radio wave receiving circuit
5067580693Passive reflection mixer
5077580680Method of reducing imbalance in a quadrature frequency converter, method of measuring imbalance in such a converter, and apparatus for performing such method
5087580478I/Q modulator using current-mixing and direct conversion wireless communication transmitter using the same
5097579912Method and system for multiple tuner application using a low noise broadband distribution amplifier
5107577418Sub-harmonic mixer and down converter with the same
5117577417Mobile terminal
5127577416Single balanced mixer
5137574190Signal-processing electronics
5147570936Sub-harmonically pumped mixer
5157567787Apparatus and method of feeding internal calibration signal through electro-static discharge protection circuitry
5167567786High-dynamic-range ultra wide band transceiver
5177565128High performance low noise amplifier
5187558556Adaptive radio transceiver with subsampling mixers
5197555280Apparatus for frequency direct conversion reception in mobile communication terminal and method thereof
5207548742Tuner for radio frequency receivers and associated method
5217548734Multi-band RF receiver
5227546110Low power highly linear RF downconverter
5237546109Gilbert mixers with improved isolation and methods therefor
5247546108Method for supporting backward compatibility of MBMS
5257542752Method and device for adjacent channels operation
5267542751Down-converter and calibration method thereof
5277542742Down converter with shielding structure
5287536164Controlling the frequency of an oscillator
5297536163Apparatus and method generating multi RF tone signals in UWB communication system
5307529529Low noise, high-linearity RF front end receiver
5317522903Three-phase mixer-system
5327522902Adaptive DC offset compensation apparatus and method thereof
5337522901Direct digital conversion tuner and method for using same
5347512394Wideband up-conversion mixer
5357512393Downconverting mixer
5367509112Wideband image rejection mixer
5377509110High-order harmonic rejection mixer using multiple LO phases
5387505751Wireless mesh architecture
5397505750Mixer transconductance in RF transceiver
5407499693Mixer for homodyne RF receiver
5417496342Down-converting electromagnetic signals, including controlled discharge of capacitors
5427489916Direct down-conversion mixer architecture
5437489654Method for data flow control in a mobile communications system
5447486942Receiver
5457486941Method and apparatus for dynamic gain and phase compensations
5467483686Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology
5477477888Low noise and low voltage mixer and intermediate frequency module application thereof
5487477886Cascading-synchronous mixer and method of operation
5497477881Intermediate frequency receiver with improved image rejection ratio
5507474885Passive subharmonic mixer

2008

5517471939Multiplier and radio communication apparatus using the same
5527471134Mixer with clock resynchronization and method therefor
5537469136RF receivers and methods therefor
5547466760Systems and methods of RF power transmission, modulation, and amplification, including transfer function embodiments
5557463875Wireless device minimizing use of external bandpass filter between low-noise amplifier and first mixer
5567463864Modified dual band direct conversion architecture that allows extensive digital calibration
5577460850High frequency receiving circuit provided with controller for turning on and off power supply to local oscillator
5587460844High dynamic range time-varying integrated receiver for elimination of off-chip filters
5597457606Mixer circuit for direct conversion transceiver with improved IP2
5607457605Low noise image reject mixer and method therefor
5617454186Direct conversion receiving apparatus and celluar phone
5627450925Receiver for wireless communication systems and I/Q signal phase difference correction method therefor
5637450923Method and system for controlling carrier leakage in a direct conversion wireless device
5647433667Signal conditioning circuit
5657428308Transmitting and reproducing stereophonic audio signals
5667421263Circuit for reducing second order intermodulation
5677421259RF mixer with high local oscillator linearity using multiple local oscillator phases
5687421040Modem tuner
5697418250Quadrature mixer circuits and mobile terminal using the same
5707415261Systems and method for a highly linear, low power mixer
5717415257Dual-band mixer and its design flow
5727414993Intelligent channel selection apparatus and method against various interferers in wireless communication systems and receiver using the same
5737403761System and method for frequency translation using an image reject mixer
5747403758Linearized and balanced mixer apparatus and signal mixing method
5757403751DC offset calibration system
5767400869System and method for adaptive DC offset compensation in wireless transmissions
5777398073Low noise mixer
5787392033Reducing active mixer flicker noise
5797392024Radio receiver, radio communication system and electronic equipment
5807389102Method to improve CMFB phase margin of variable-output-bandwidth mixer
5817386292Apparatus, system, and method for down-converting and up-converting electromagnetic signals
5827386291Integrated millimeter-wave quadrature generator
5837383041Apparatus and method for delivery of network-specific codes to a mobile node
5847383034Frequency conversion circuit, modulation circuit, polar modulation transmitting circuit, quadrature modulation transmitting circuit, communication instrument, and frequency conversion method
5857382175Frequency mixer preventing degradation in linearity on amplitude of input signal
5867379727RF front-end receiver
5877379726AM data recovery circuit
5887379723Local oscillator and mixer for transceiver
5897376410Methods and systems for down-converting a signal using a complementary transistor structure
5907376400System and method for digital radio receiver
5917376398Implementing a smart antenna in wireless local area network
5927373132High frequency signal receiver
5937369837Frequency-mixing method and frequency-mixing device using the same
5947369828Electronically tunable quad-band antennas for handset applications
5957366486System and method for coarse/fine PLL adjustment
5967363020Diode mixer
5977363018High speed electrical interconnect using an optically distributed carrier signal
5987359694Carbon nanotube devices and method of fabricating the same
5997359672Apparatus and method for frequency conversion
6007356326Direct-conversion receiver for removing DC offset
6017356325Local oscillation routing plan applicable to a multiple RF band RF MIMO transceiver
6027356324Mobile radio receiver device
6037356318Quadrature subharmonic mixer
6047356317Adaptive-biased mixer
6057349680Method and system for using PSK sync word for fine tuning frequency adjustment
6067345551Frequency synthesizer for mixing reference frequencies
6077343146Single chip LNA and VCO having similar resonant circuit topology and using same calibration signal to compensate for process variations
6087342441Heterodyne receiver array using resonant structures
6097340237Dual-band active filter
6107340222Method for implementing a RF module on a motherboard
6117336940Frequency conversion techniques using antiphase mixing
6127336939Integrated tracking filters for direct conversion and low-IF single conversion broadband filters
6137333792Multi-carrier receiving method and apparatus
6147333791Use of an image reject mixer in a forward data channel tuner
6157333790Method and apparatus for generating arbitrary phase shift using a phase shifter based on adding two perpendicular vectors with variable gains
6167333423Transceiver with calibrated I and Q paths and methods for deconvolved calibration
6177327198Method and system for a polyphase clock for a second intermediate frequency (IF) mixer to improve signal quality
6187324832Method and system for a mobile architecture that supports a cellular or wireless network and broadcast utilizing an integrated single chip cellular and broadcast silicon solution
61973247982.sup.N-order sub-harmonic frequency modulator having high carrier suppression ratio and direct conversion transmitter using the same
6207324797Bragg-cell application to high probability of intercept receiver
6217324796Low temperature co-fired ceramic sub-harmonic mixer
6227321268Ultra wideband and fast hopping frequency synthesizer for MB-OFDM wireless application
6237319852Apparatus and method for DC offset compensation in a direct conversion receiver
6247319851Mixer circuit, receiver comprising a mixer circuit, wireless communication comprising a receiver, method for generating an output signal by mixing an input signal with an oscillator signal

2007

6257313411Wireless communication system
6267313203Method and system for estimating and compensating IQ imbalance
6277310023Frequency synthesizer
6287308244Low voltage mixer
6297308243Mixer arrangement and method for mixing signals
6307305217Low cost planar double balanced mixer
6317302249High dynamic range mixer apparatus and balun therefor
6327302248Harmonic image-reject converter
6337295861Combined Low-IF/direct down conversion baseband architecture for 3G GSM/WCDMA receivers
6347295826Integrated frequency translation and selectivity with gain control functionality, and applications thereof
6357292837Mixer and converter using same
6367292836Direct conversion receiver
6377283800Adaptive mixer output filter bandwidth control for variable conversion gain down-conversion mixer
6387280815Process for control of standby currents in a direct conversion type of frequency transposition device, and corresponding device
6397280164Apparatus for channel scanning and method thereof
6407277689Transmission arrangement with power regulation
6417277623Equal duty cycle frequency divider
6427274922Circuit arrangement for generating an IQ-signal
6437274921AM data recovery circuit
6447274916Differential signal receiver and method
6457272370Mixers with a plurality of local oscillators and systems based thereon
6467269418Wireless communication apparatus
6477263344Method for reducing IM2 noise in a down conversion circuit
6487263339Tuner comprising a voltage converter
6497254380Low flicker noise current-folded mixer
6507251298Receiver architecture eliminating static and dynamic DC offset errors
6517245897Using an electroacoustic resonator
6527245895Attenuator with switch function and mobile telephone terminal device using the same
6537242913Circuit arrangement for frequency conversion and mobile radio device with the circuit arrangement
6547236763Method and apparatus providing improved mixer performance for radio receivers
6557236762Direct-conversion receiver system and method, especially a GPS receiver system with high pass filtering
6567236761Balanced circuit arrangement and method for linearizing such an arrangement
6577231197Angle rate interferometer and passive ranger
6587231192High frequency receiver
6597209721Single sideband mixer and method of extracting single sideband signal
6607206566Apparatus and method for frequency conversion
6617206565Device for generating wide tunable frequency using frequency divider
6627205857Oscillator with quadrature output in a cross-coupled configuration
6637203476Method and apparatus for minimizing baseband offset error in a receiver
6647203475Multiple rate local oscillation generator and applications thereof
6657197293Absorbing sum signal energy in a mixer
6667197292Chopper stabilized analog multiplier
6677194246Methods and systems for down-converting a signal using a complementary transistor structure
6687194245High-frequency signal receiving apparatus
6697190943System and method for frequency translation with harmonic suppression using mixer stages
6707187917Current interpolation in multi-phase local oscillator for use with harmonic rejection mixer
6717184740Direct conversion receiver for calibrating phase and gain mismatch
6727184739Quadrature mixer circuits and mobile terminal using the same
6737184738Radio apparatus
6747181187RF transmitter having improved out of band attenuation
6757181186Mixer and frequency conversion apparatus for improving phase-mismatching
6767177622Digital tuner
6777177620Mixer constant linear range biasing apparatus and method
6787177619Dual gate FinFET radio frequency switch and mixer
6797171185Direct conversion receiver and DC offset reducing method
6807167698Balanced sub-harmonic mixer
6817164903Integrated N-way Wilkinson power divider/combiner
6827164902Filter-integrated even-harmonic mixer and hi-frequency radio communication device using the same
6837164901DC offset-free RF front-end circuits and systems for direct conversion receivers
6847164900Impulse waveform generating apparatus
6857164899System and method for frequency translation with harmonic suppression using mixer stages
6867164895Antenna tuned circuit for a superheterodyne receiver
6877162218System and method for a direct conversion multi-carrier processor
6887158772Filter for broadcast receiver tuner

2006

6897155195Input and output filtering system for a direct conversion receiver
6907155194Mixer used in direct conversion transceiver and related method
6917149495Switching apparatus, electric field applying method and switching system
6927149494Demultiplexer and communication device
6937149493Direct conversion receiver employing subharmonic frequency translator architecture and related preprocessor
6947149492Method to improve CMFB phase margin of variable-output-bandwidth mixer
6957149491Radio reception apparatus symbol timing control method, and symbol timing control program
6967146150Mixing circuit with low noise factor when operating at low frequency
6977146149High isolation switch buffer for frequency hopping radios
6987146146Systems and methods for coherent adaptive calibration in a receiver
6997146144Frequency agile exciter
7007139548Semiconductor integrated circuit device and wireless communication system
7017139546Up-conversion of a down-converted baseband signal in a direct conversion architecture without the baseband signal passing through active elements
7027139545Ultra-wideband fully synthesized high-resolution receiver and method
7037133644Digital baseband system and process for compensating for analog radio transmitter impairments
7047130607Adjusting a programmable mixer
7057130604Harmonic rejection mixer and method of operation
7067127227Digital down-converter
7077123899Broadband single-ended input upconverter
7087123896Method and apparatus for I/Q mismatch calibration in a receiver
7097123892Architecture for an AM/FM digital intermediate frequency radio
7107120415Radio receiver
7117120414Circuit and method for receiving and mixing radio frequencies in a direct conversion receiver
7127116965Radio receiver
7137113760Direct conversion receiver for amplitude modulated signals using linear/log filtering
7147110732Subsampling RF receiver architecture
7157107035Frequency converter and radio communication apparatus
7167103343Receiver, in particular for mobile radio
7177099688Combined Low-IF/direct down conversion baseband architecture for 3G GSM/WCDMA receivers
7187099646Signal mixer having a single-ended input and a differential output
7197095998Mixer and converter using same
7207092687Five-port topology for direct down-conversion
7217088982Gilbert cell and method thereof
7227088981Apparatus for reducing flicker noise in a mixer circuit
7237088980Frequency converter with nonlinear distortion cancellation
7247088979Triple conversion RF tuner with synchronous local oscillators
7257085549Dynamic power sharing zero intermediate frequency (ZIF) mixer and method of forming same
7267085548Harmonic mixer
7277076231Receiver apparatus controlling the power consumption according to the reception signal level
7287072636Printed circuit doubly balanced mixer for upconverter
7297068118Pulse modulator for nonradiative dielectric waveguide, and millimeter wave transmitter/receiver using the same
7307065338Method, device and program for coding and decoding acoustic parameter, and method, device and program for coding and decoding sound
7317065331Resonator configuration
7327065329Half duplex radio transceiver with low IF receiver
7337062248Direct conversion receiver having a low pass pole implemented with an active low pass filter
7347062247Active double-balanced mixer
7357058382Method of eliminating a DC component and filtering device obtained by this method
7367054609Linearity improvement of Gilbert mixers
7377054608Multilayer electronic component and communication apparatus and method
7387050779Semiconductor integrated circuit device
7397046980Method and apparatus for up-and down-conversion of radio frequency (RF) signals
7407046122Receiver circuit
7417043211Universal modulator
7427039383Quadrature mixer circuit including three-input local mixers
7437035617High power block upconverter
7447035616Two-stage variable-gain mixer employing shunt feedback
7457035614System and method for discovering frequency related spurs in a multi-conversion tuner
7467031688Direct-conversion receiver system and method with quadrature balancing and DC offset removal
7477031687Balanced circuit arrangement and method for linearizing such an arrangement
7487031683Apparatus and methods for calibrating signal-processing circuitry
7497030667Frequency conversion circuit arrangement and mobile radio comprising said circuit arrangement
7507027833Dual band superheterodyne receiver
7517027795Low temperature co-fired ceramic double balanced mixer
7527027794Radio receiver and radio communication system
7537027792Topology for a single ended input dual balanced mixer
7547020549Vehicular electronic apparatus suppressed of interference in receiving a broadcast wave
7557020452Actively matched center-tapped marchand balanced mixer
7567020451Wideband multi-protocol wireless radio transceiver system
7577020450Active inductors using bipolar silicon transistors
7587019790Integrated tuner circuit and television tuner using an integrated tuner circuit
7597016664Mixer circuit arrangement and an image-reject mixer circuit arrangement
7607016663Applications of universal frequency translation
7617016662Method and apparatus for up-conversion of radio frequency (RF) signals
7627013124Wide band tuner
7637013122Ultra high isolation mixer
7647013121Frequency conversion circuit using common local synthesizer
7657010287Quadrature signal generator with feedback type frequency doubler
7667006814Direct conversion receiver and transceiver
7677006813Efficient charge transfer using a switched capacitor resistor
7687003276Subsampling communication receiver architecture with gain control and RSSI generation
7697003275Agile frequency converter for multichannel systems using IF-RF level exhange and tunable filters
7707003263Telecommunications receiver and a transmitter
7716999747Passive harmonic switch mixer
7726999746Image rejection mixer
7736999745Mixer with a variable gain current-to-voltage converter
7746996388High-frequency signal receiver
7756995625Oscillator with quadrature output in a cross-coupled configuration
7766993312Double balanced diode mixer with high output third order intercept point
7776987960Microwave oscillator and low-noise converter using the same

2005

7786968278Reducing the occurrence of spurs when analyzing signals
7796968165Frequency scanning receiver permitting quick PPL setting
7806959179Down/up-conversion mixer for direct conversion radios
7816954628Radio receiver
7826922449Radio receiver
7836889037Reducing active mixer flicker noise
7846879815Apparatus for extracting a carrier frequency
7856853310Tri-mode medical telemetry antenna system

2004

7866826234Radio communication apparatus and radio communication method
7876816716Radio frequency control for communication systems
7886813320Wireless telecommunications multi-carrier receiver architecture
7896788747Receiver capable of receiving analog broadcast and digital broadcast and IC for the same
7906748206Low-power-consumption radio receiver
7916738606FM receiver with bandwidth control means
7926738414Radio and communication method using a transmitted intermediate frequency
7936721551Transmitting and receiving apparatus
7946707858Low IF receiver

2003

7956665523Receiver tuning system
7966643502Multi-standard reception
7976640091Dual-band output switching high-frequency transmission circuit with a transmission mixer having two outputs
7986636569Nyquist band frequency translation
7996631256Simplified high frequency tuner and tuning method
8006628930Radio receiver with two tuners and a switch for verifying reception quality at an alternative frequency
8016600795Receiving circuit
8026577855Low IF receiver
8036556630Dual band telemetry system
8046522698Method of transmitting and receiving data, system and receiver therefor
8056519305Frequency converter arrangement
8066516038Receiving circuit
8076505038Method of driving a receiver stage and respective apparatus

2002

8086490441Tuning circuit device with built-in band pass integrated on semiconductor substrate together with PLL circuit
8096466803Multi-mode communications system with efficient oscillator synchronization
8106463266Radio frequency control for communications systems
8116449264Radio transceiver with two frequency bands
8126445726Direct conversion radio receiver using combined down-converting and energy spreading mixing signal
8136442382Filter switching system and method
8146427068Simplified high frequency tuner and tuning method
8156397048Signal processing apparatus and communication apparatus
8166393070Digital communication device and a mixer
8176374093Shifting of frequency range and bandwidth of receivers using a mixer attenuating the image frequency
8186373422Method and apparatus employing decimation filter for down conversion in a receiver
8196369644Filter circuit
8206363262Communication device having a wideband receiver and operating method therefor
8216345176Radio front-end circuit
8226339961Ultrasonic detecting lubrication apparatus with acoustically isolated transducer

2001

8236324233Reception of modulated carriers having asymmetrical sidebands
8246317006Frequency synthesizer utilizing phase shifted control signals
8256310863Dual-band data communication device
8266308056Double super tuner
8276307897Radio receiving apparatus for receiving communication signals of different bandwidths
8286282413Multistaged frequency conversion with single local oscillator
8296278870Phasing receivers
8306271737Communication device with feedback for cancellation of perturbations
8316236688Receiving circuit
8326233431Radio page receiver with automatic cyclical turn on
8336215981Wireless signal transmission system, method apparatus
8346195539Method and apparatus for rejecting image signals in a receiver
8356188716Radio and communication method using a transmitted intermediate frequency
8366175746Multiband mobile unit communication apparatus
8376175726Receiver architecture for the receiving of angle-modulated/angle-keyed carrier signals
8386173003Dither noise source with notched frequency spectrum

2000

8396167099Multi-channel digital transceiver and method
8406161004Method and apparatus for rejecting image signals in a receiver
8416150891PLL synthesizer having phase shifted control signals
8426125271Front end filter circuitry for a dual band GSM/DCS cellular phone
8436125269TV FM receiver for multimedia applications
8446122966Ultrasonic leak detecting lubrication apparatus and method of use
8456115432High-frequency signal receiving apparatus
8466115363Transceiver bandwidth extension using double mixing
8476104764Radio receiving apparatus for receiving communication signals of different bandwidths
8486101226Radio receiving apparatus for receiving communication signals of different bandwidths
8496094564Mobile communication apparatus operable in different formats and pairing I-F band pass filter type with I-F amplifier characteristics
8506072996Dual band radio receiver
8516072994Digitally programmable multifunction radio system architecture
8526069923Method and a circuit arrangement for the processing of received signals in a telecommunication system
8536069580Multi-conversion radar detector having increased tuning range and self-calibrating function
8546067447Wireless coupled adapter for decoding information from a radio signal to which a receiver is tuned
8556064871Low power .DELTA..SIGMA. convertor
8566054793Piezoelectric resonator method for adjusting frequency of piezoelectric resonator and communication apparatus including piezoelectric resonator
8576052569Radio receiver having a first tuner circuit for receiving signals in a first and a second frequency range, and a second tuner circuit for receiving signals in the first and a third frequency range
8586044251TV/FM receiver for multimedia applications
8596032032Mobile radio communication apparatus
8606029054MMIC receiver
8616026288Communications system with an apparatus for controlling overall power consumption based on received signal strength
8626026129Radio receiving apparatus for receiving communication signals of different bandwidths
8636023613Synthesizer receiver for automatically tuning master stations and associated satellite stations in specified geographical areas
8646020936TV/FM receiver for multimedia applications
8656014546Method and system providing RF distribution for fixed wireless local loop service

1999

8666009318Electronically adjustable balanced-to-unbalanced converters (balun)
8676006080Receiving mixer circuit for mobile radio transceiver designed to operate with multiple modulation modes and multiple frequency bands
8686005506Receiver with sigma-delta analog-to-digital converter for sampling a received signal
8696002926Double superheterodyne type receiving circuit
8705995815Multiple band receiver
8715995556Front end for GPS receivers
8725991612Amplitude correction circuit
8735987314Radio communication apparatus having a high receiving sensitivity
8745983070Method and system providing increased antenna functionality in a RF distribution system
8755974095Digital satellite broadcasting receiver
8765974040Receiver and transmitter-receiver having variable attenuator to avoid saturation by a strong signal
8775966646Dual-band radio receiver
8785963856Wireless receiver including tunable RF bandpass filter
8795963842Satellite broadcasting receiving tuner
8805955670Ultrasonic leak detecting apparatus
8815950112Satelite broadcast tuner capable of processing both QPSK modulation signal and FM signal
8825937341Simplified high frequency tuner and tuning method
8835937338Scanning radio receiver
8845930696Broadband low-noise low-intermodulation receiver
8855930695Radio receiver with amplitude limiter prior to mixer and band limiting filter
8865930682Centralized channel selection in a distributed RF antenna system
8875926513Receiver with analog and digital channel selectivity
8885924021Frequency conversion circuit and method for millimeter wave radio
8895918168Double super tuner
8905914986Receiving circuit
8915913155Broadcasting signal receiving apparatus and pulse counting demodulators
8925909193Digitally programmable radio modules for navigation systems
8935875389SSB radio receiver
8945875388Crystal oscillator with automatic compensation for aging and temperature
8955870670Integrated image reject mixer
8965870402Multiple user digital receiver apparatus and method with time division multiplexing
8975859878Common receive module for a programmable digital radio
8985857004Digital data receiver

1998

8995852784Multiband mobile unit communication apparatus
9005839062Mixing, modulation and demodulation via electromechanical resonators
9015835853Two band receiver
9025832375Superheterodyne radio receiver
9035828955Near direct conversion receiver and method for equalizing amplitude and phase therein
9045822378Receiver, a demodulator, and a demodulation method
9055818883Multi-channel digital transceiver and method
9065805988System and method for switching an RF signal between mixers
9075802464Broadcast or communications receiver including ceramic filter, intermediate frequency amplifier and passive, non-inductive band-pass filters
9085787342Receiver
9095781851Heterodyne receiver
9105779798Device for distributing liquid by gravity
9115765099Distribution of radio-frequency signals through low bandwidth infrastructures
9125760525Surface acoustic wave device and communication system using it
9135758296Mobile telephone receiver with adaptively inserted if filters and an if filter inserting method
9145758276Double super-heterodyne receiver with low-pass and high-pass filters controlled by respective switching devices
9155757794Digital down converter and method
9165754601Jitter circuit for reduced switching noise
9175754597Method and apparatus for routing a digitized RF signal to a plurality of paths
9185748683Multi-channel transceiver having an adaptive antenna array and method
9195745523Multi-mode signal processing
9205742897Matching transformer for dual-band radio receiver
9215742189Frequency conversion circuit and radio communication apparatus with the same
9225740528Planar triply-balanced microstrip mixer
9235732343Microwave harmonic mixer circuit of super conducting quantum interference device
9245732337Reconfigurable mixer-filter-decimator
9255727023Apparatus for and method of speech digitizing
9265724653Radio receiver with DC offset correction circuit
9275722062Linear receiver having dual automatic gain control loops
9285715529FM receiver including a phase-quadrature polyphase if filter
9295712628Digitally programmable radio modules for transponder systems
9305710993Combined TV/FM receiver
9315706215Method and system for adjusting replacement component characteristics

1997

9325701598Scanning receiver with direct digital frequency synthesis and digital signal processing
9335697096Narrow-band communication apparatus
9345697091Distortion-free chopper-based signal mixer
9355697090SHF converter
9365696437Intelligent low battery detection circuit for a paging receiver
9375678214RF receiver using if amplifier operative during low level reception
9385668836Split frequency band signal digitizer and method
9395666658Wireless signal transmission system, method and apparatus
9405663989Control arrangements for digital radio receivers
9415659894Dual-channel low current low noise block downconverter
9425659884System with automatic compensation for aging and temperature of a crystal oscillator
9435659546Wideband frequency signal digitizer and method
9445649318Apparatus for converting an analog c-band broadcast receiver into a system for simultaneously receiving analog and digital c-band broadcast television signals
9455640698Radio frequency signal reception using frequency shifting by discrete-time sub-sampling down-conversion
9465640694Integrated RF system with segmented frequency conversion
9475633815Formatter
9485631760Apparatus for the optical heterodyne reception of signals
9495630228Double balanced mixer circuit with active filter load for a portable comunication receiver
9505630225Dielectric resonator image reject mixer and method
9515621730Multiple user digital receiver apparatus and method with time division multiplexing
9525617344Fixed coefficient high decimation filter
9535613234Receive filter using frequency translation for or in cellular telephony base station
9545606736Heterodyne radio receiver with plural variable frequency local oscillator signals
9555604926Phase locked loop circuit current mode feedback
9565604746Digital data receiver
9575603109Automatic frequency control which monitors the frequency of a voltage controlled oscillator in a PLL demodulator
9585602874Method and apparatus for reducing quantization noise
9595598430Analog/digital receiver

1996

9605590413Radio transceiver having shared modulation and demodulation mixer circuits
9615584066Correcting circuit for mixing circuit receiver using same and frequency spectrum inverting circuit using same
9625584064Converter circuit for satellite broadcasting receivers having mixer isolation
9635579341Multi-channel digital transceiver and method
9645575001Direct broadcasting satellite tuner with a negative feedback and image compression circuit
9655574997Auto-selecting circuit of an intermediate frequency
9665574405Low noise amplifier/mixer/frequency synthesizer circuit for an RF system
9675572213Parameter encoder architecture
9685570392Phase generator
9695564099Radio signal reception with a PLL frequency controlled for an IF signal depending on coexistence of a spurious signal with the radio signal
9705564098Ultra low-power integrated circuit for pseudo-baseband down-conversion of GPS RF signals
9715564097Spread intermediate frequency radio receiver with adaptive spurious rejection
9725557642Direct conversion receiver for multiple protocols
9735548840Balanced mixer circuit with improved linearity
9745548831FM Receiver having multiple IF stages
9755537676Method of receiving data signals in a radio transceiver using low cost components
9765530927Doubly balanced superconductive mixer network
9775530722Quadrature modulator with integrated distributed RC filters
9785521938Apparatus for performing frequency conversion in a communication system
9795517687Subharmonic image rejection and image enhancement mixer
9805507025Method and apparatus for satellite receiver with variable predetection bandwidth
9815493721Receiver for a digital radio signal
9825493719Integrated superconductive heterodyne receiver
9835493718Dual-channel low current low noise block downconverter
9845493714Apparatus and method for automatically controlling a reference frequency in a dual mode receiver
9855493581Digital down converter and method
9865490173Multi-stage digital RF translator
9875483687Operational transconductance amplifier track and hold system

1995

9885471664Clockwise and counterclockwise circularly polarized wave common receiving apparatus for low noise converter
9895471661Ultra high speed scan system
9905446923Mixer using fundamental frequency or second or third harmonic frequencies of a local oscillator for maximized resultant frequency mixer product
9915437051Broadband tuning circuit for receiving multi-channel signals over a broad frequency range
9925430890Radio receiver for mobile reception with sampling rate oscillator frequency being an integer-number multiple of reference oscillation frequency
9935428839Planar magic-tee double balanced mixer
9945416802Receiver circuit for digital and analog modulated signal
9955410735Wireless signal transmission systems, methods and apparatus
9965404589FM receiver with dynamic intermediate frequency (IF) filter tuning
9975392330Offset down conversion for a two-handset cordless telephone system
9985390346Small frequency step up or down converters using large frequency step synthesizers
9995379456Multiplying saw phase shift envelope detector

1994

10005375260Receiver unit for wireless microphone applications
10015369790Radio receiver
10025367539Digital block processor for processing a plurality of transmission channels in a wireless radiotelephony system
10035361407Double superheterodyne receiver with independent frequency calibration of two local oscillators
10045349386Wireless signal transmission systems, methods and apparatus
10055341138Structure of reception frequency converting portion in a multi-band microwave detector
10065339462Broadband mixer circuit and method
10075339459High speed sample and hold circuit and radio constructed therewith
10085323064Radio frequency signal frequency converter
10095303394Feedback stabilized Q multiplier filter circuit
10105300838Agile bandpass filter
10115278837Multiple user digital receiver apparatus and method with combined multiple frequency channels

1993

10125272525System for local wireless transmission of signals at frequencies above 900 MHz
10135265269Intermediate frequency independent star mixer
10145265267Integrated circuit including a surface acoustic wave transformer and a balanced mixer
10155265266Resistive planar star double-balanced mixer
10165263195Superheterodyne radio receiver with digital automatic frequency control for a local oscillator
10175263193Selfmixing heterodyne system
10185263182Low-noise block converter for a satellite broadcasting system
10195243302Voltage controlled oscillator with correction of tuning curve non-linearities
10205230097Offset frequency converter for phase/amplitude data measurement receivers
10215230095Radio receiver for data communication
10225230094Method and apparatus for intermediate frequency selection in a heterodyne receiver
10235222253Transient suppression circuit for a time domain duplex transceiver
10245220688Frequency translating circuit with multiple stages using common local oscillator
10255220683Ultra-widebandwidth compressive receiver
10265214796Image separation mixer
10275212828Receiver apparatus
10285212817Ultra high speed scan system
10295204984Down converter for satellite communication system
10305204983Dual conversion reflex receiver
10315184084Double band frequency converting system
10325179725Voltage controlled oscillator with correction of tuning curve non-linearities

1992

10335175885CRT update wideband double balanced mixer
10345170500Intermediate frequency circuit for cellular telephone transceiver using surface acoustic wave filter
10355125110Microstripline microwave mixer using waveguide filter
10365108334Dual down conversion GPS receiver with single local oscillator

1991

10375073977High frequency broad-band mixing circuit including an electrolytic capacitor in parallel with a local oscillator input port
10385060298Monolithic double balanced mixer with high third order intercept point employing an active distributed balun
10395046135Method and apparatus for frequency stabilization of a down converter
10405034994Single balanced mixer with output filter

1990

10414980925Monopulse first detector array
10424979233High frequency broad-band mixing circuit including an electrolytic capacitor in parallel with a local oscillator input port
10434977613Fine tuning frequency synthesizer with feedback loop for frequency control systems
10444955085Series RF/parallel if mixer array

1989

10454879758Communication receiver system having a decoder operating at variable frequencies
10464879757Tweet elimination, or reduction, in superheterodyne receivers

1987

10474661995Multi-superheterodyne receiver

1986

10484610031Receiver including surface acoustic wave amplifier

1985

10494542531Radio transmitter/receivers with non interferring local oscillator frequency
10504516270Microwave receiver front end design

1984

10514484358Receiver having switched capacitor filter
10524480338Lowpass-highpass electronic switch
10534479257Superheterodyne circuit having variable bandwidth and center frequency shift function
10544461041Integrated RF receiver/waveguide
10554435841Communications receiver having a switchable filter input stage
10564429418Frequency agile satellite receiver
10574426737Circuit for generating a pumping signal for a surface elastic wave parametric device in a receiver
10584426732Receiver having a surface elastic wave high frequency amplifier with a frequency-controlled pump oscillator

1983

10594408351Directly mixing receiving system
10604408350Enhanced selectivity signal receiver
10614387470Receiver input stage with an improvement of the signal to noise ratio
10624384367MDS Receiver

1982

10634340974Local oscillator frequency drift compensation circuit
10644322856Double superheterodyne tuner for receiving television aural signals
10654320532Apparatus for automatic monitoring of superheterodyne radio receivers
10664315333Circuit arrangement for a wide-band VHF-UHF television double superheterodyne receiver

1981

10674306294Combined electronic calculator and electronically tuning radio receiver
10684287604RF and IF Circuitry of an uplink receiver
10694267605Interference eliminator in communication receiver
10704259644Local oscillator for multi-band reception having single crystal reference oscillator

1980

10714236252Double-converting FM tuner
10724233685Radio for receiving and reproducing information broadcast on the intermediate frequency
10734228542Digital tuning FM stereophonic receiver including phase locked loop synthesizer
10744225974Double super-heterodyne receiver
10754213096Phaselock receiver with phaselock detector
10764211977Mixer circuit arrangement
10774206412Trap circuit for blocking spurious signals from a T.V. intermediate frequency amplifier
10784204166Very high frequency tuner
10794194158Integrated front end circuit for VHF receiver

1979

10804175254Selectively tunable heterodyne receiver
10814163943Radio receiver employing premixing and digital display
10824160212Radio frequency receiver having serially coupled heterodyning stages, each stage having filters with difference center frequencies
10834156255Television receiver with synchronous detection and automatic fine tuning
10844156196Memory scanning radio receiver with separate channel data selection
10854152652Apparatus for and method of measuring radio frequency signals
10864149122Wideband tracking generator for harmonic mixing receivers
10874138646Wideband absolute calibration system
10884138645Wideband signal calibration system
10894132952Multi-band tuner with fixed broadband input filters

1978

10904115737Multi-band tuner
10914112375Tunable selective super heterodyne receiver
10924088959Multiple-band digital frequency synthesizer receiver
10934081752Digital frequency synthesizer receiver

1977

10944061981Voltage variable capacitor tuned radio receiver having delayed automatic frequency control at turn-on
10954061980Radio receiver with plural converters and frequency control
10964056787Self-oscillating mixer circuit
10974054875Microwave circuit for operating on microwave radiations
10984048570Multiple-band digital frequency synthesizer receiver
10994033882Wideband heterodyne receiver for laser communication system
11004032851Complementary symmetry FET mixer circuits
11014031469Receiver gain calibration
11024027242Double superheterodyne multichannel receiver with a phase-locked loop frequency synthesizer
11034024461FM discriminator
11044008438Rat-race mixer circuit

1976

11053999132Stereo inhibit circuit
11063991419Receiver system for locating transmitters
11073991371Automatic frequency control of voltage variable capacitor tuned receivers
11083973204YIG tuned mixer
11093961262FM receiver and demodulation circuit
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017