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公开(公告)号：US20220345088A1
公开(公告)日：2022-10-27
申请号：US17718453
申请日：2022-04-12
Applicant: MEDIATEK Inc.
Inventor： Wei-Che TSENG , Chen-Yen HO
Abstract: The disclosure provides a voltage control device for controlling supply voltages of a power amplifier (PA). The voltage control device includes a first processing circuit to provide a first supply voltage to at least one driving stage amplifier of the PA, and a second processing circuit to provide a second supply voltage to an output stage amplifier of the PA. The first supply voltage is generated according to an average-power-tracking (APT) mechanism related to an average power level of a radio frequency (RF) signal transmitted by the PA.
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