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Pat. 11038477 United States, Int. Cl.22 H03F 3/217, H03F 1/02, H03F 1/56, H03F 3/193, H03F 3/195, H03F 3/21, H03F 3/213, H01J 37/32, H02M 7/538. High gain resonant amplifier for resistive output impedance : Appl. N 16/024703 : Filed 29.06.2018 : Pub. 15.06.2021 : / Luke Christopher Raymond, Johan Oscar Lennart Andreasson, Wei Liang ; Assignee Airily Technologies LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11038477/en?oq=US11038477.html (дата обращения: ДД.ММ.ГГГГ).