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Pat. 11139736 United States, Int. Cl.22 H02M 3/07. Charge-pump circuitry and a method for high voltage generation with improved PSRR : Appl. N 17/098726 : Filed 16.11.2020 : Pub. 05.10.2021 : / Lasse Aaltonen ; Assignee Murata Manufacturing Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11139736/en?oq=US11139736.html (дата обращения: ДД.ММ.ГГГГ).