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Pat. 10090808 United States, Int. Cl.22 H03F 1/30, H02M 3/07, H03F 1/02, H03F 3/19, H03F 3/21, H03M 1/66. Feed-forward envelope tracking : Appl. N 15/474186 : Filed 30.03.2017 : Pub. 02.10.2018 : / Stephan Henzler, Andreas Menkhoff, Thomas Eichler, Wolfgang Walthes, Alexander Belitzer, Yifan Wang ; Assignee Intel Ip Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10090808/en?oq=US10090808.html (дата обращения: ДД.ММ.ГГГГ).