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Pat. 11245369 United States, Int. Cl.22 H03F 3/217, G05F 1/575, H02M 3/00, H02M 3/158, H03F 1/02, H03F 3/187, H03K 3/017, H03K 17/687, H04R 3/00, H02M 1/00. Integrated circuit and related audio amplifier : Appl. N 16/935649 : Filed 22.07.2020 : Pub. 08.02.2022 : / Edoardo Botti, Tommaso Barbieri, Davide Luigi Brambilla, Cristiano Meroni ; Assignee Stmicroelectronics Srl ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11245369/en?oq=US11245369.html (дата обращения: ДД.ММ.ГГГГ).