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Pat. 10972052 United States, Int. Cl.22 H03F 3/04, H02M 3/158, H03F 1/02, H04B 1/04. Method and apparatus for providing selective pre-signal amplifier, supply power conditioning : Appl. N 16/277912 : Filed 15.02.2019 : Pub. 06.04.2021 : / John Mura, Armin Klomsdorf, Jatin Kulkarni ; Assignee Motorola Mobility LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10972052/en?oq=US10972052.html (дата обращения: ДД.ММ.ГГГГ).