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Pat. 9912233 United States, Int. Cl.22 H03K 7/00, H02M 3/07, H03K 7/06, H03K 17/00. Variable switched DC-to-DC voltage converter using pulse skipping mode and frequency modulation : Appl. N 14/868968 : Filed 29.09.2015 : Pub. 06.03.2018 : / Hui Liu, Timothy James Mansheim, David Steven Ripley ; Assignee Skyworks Solutions Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9912233/en?oq=US9912233.html (дата обращения: ДД.ММ.ГГГГ).