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Pat. 10523120 United States, Int. Cl.22 H02M 3/158, H02M 1/00, H03F 1/02, H03F 3/19, H03F 3/24, H03F 3/68. Supply modulator for power amplifier : Appl. N 16/052557 : Filed 01.08.2018 : Pub. 31.12.2019 : / Yongsik Youn, Takahiro Nomiyama, Younghwan Choo, Dongsu Kim ; Assignee Samsung Electronics Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10523120/en?oq=US10523120.html (дата обращения: ДД.ММ.ГГГГ).