公开(公告)号：US09407476B2

公开(公告)日：2016-08-02

申请号：US14494039

申请日：2014-09-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chae-Man Lim ,  Byung-Wook Yoo

IPC: H04L25/06 ,  H04L25/03 ,  H04W52/02 ,  H04L25/08 ,  H03F1/02 ,  H03F3/189 ,  H03F3/24

CPC classification number: H04L25/06 ,  H03F1/0222 ,  H03F1/0227 ,  H03F3/189 ,  H03F3/24 ,  H03F2200/102 ,  H03F2200/27 ,  H03F2200/432 ,  H03F2200/451 ,  H04L25/03828 ,  H04L25/08 ,  H04L27/368

Abstract: A power amplifying apparatus and a method for effectively controlling a bias voltage of a power amplifier are provided. An electronic device includes a baseband signal processor configured to convert a baseband signal to an envelope signal, a power amplifier configured to amplify a Radio Frequency (RF) signal based on the baseband signal, a power modulator configured to modulate an input voltage to a bias voltage of the power amplifier based on the envelope signal, and a power controller configured to control an operation of the power modulator according to a characteristic of the baseband signal.

Abstract translation: 提供了功率放大装置和用于有效地控制功率放大器的偏置电压的方法。 电子设备包括：基带信号处理器，被配置为将基带信号转换为包络信号;功率放大器，被配置为基于所述基带信号放大射频（RF）信号;功率调制器，被配置为将输入电压调制为偏置 基于包络信号的功率放大器的电压;以及功率控制器，被配置为根据基带信号的特性来控制功率调制器的操作。