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Pat. 10784873 United States, Int. Cl.22 H03H 7/01, H02M 7/46, H03F 3/45, H03G 3/30, H03K 3/0233, H03K 6/02, H03L 7/081. Square wave-to-sine wave converter : Appl. N 16/391865 : Filed 23.04.2019 : Pub. 22.09.2020 : / Qunying Li, Shanmuganand Chellamuthu, Kemal Safak Demirci ; Assignee Texas Instruments Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10784873/en?oq=US10784873.html (дата обращения: ДД.ММ.ГГГГ).