Библиографическая ссылка на патент
Pat. 9973158 United States, Int. Cl.22 H03F 3/21, H02M 1/42, H02M 3/335, H03F 3/185, H03F 3/217, H03K 17/687. Power supply for class D amplifier in energy efficient applications : Appl. N 15/339307 : Filed 31.10.2016 : Pub. 15.05.2018 : / Eric Mendenhall ; Assignee Rgb Systems Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9973158/en?oq=US9973158.html (дата обращения: ДД.ММ.ГГГГ).