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Pat. 10804854 United States, Int. Cl.22 H03F 1/02, H02M 1/088, H02M 3/158. Multi-level power supply architecture for radio frequency power amplifiers : Appl. N 16/556085 : Filed 29.08.2019 : Pub. 13.10.2020 : / Moataz Abdelsamie Abdelfattah, Mukesh Bansal, Iulian Mirea, Song Shi, Pengfei Li ; Assignee Qualcomm Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10804854/en?oq=US10804854.html (дата обращения: ДД.ММ.ГГГГ).