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1. (WO2018184462) POWER CONTROL CIRCUIT AND POWER AMPLIFICATION CIRCUIT

Pub. No.:    WO/2018/184462    International Application No.:    PCT/CN2018/079413
Publication Date: Fri Oct 12 01:59:59 CEST 2018 International Filing Date: Tue Mar 20 00:59:59 CET 2018
IPC: H03F 1/30
Applicants: SMARTER MICROELECTRONICS (GUANG ZHOU) CO., LTD.
广州慧智微电子有限公司
Inventors: SU, Qiang
苏强
PENG, Zhenfei
彭振飞
XU, Baiming
徐柏鸣
YI, Jiangtao
奕江涛
Title: POWER CONTROL CIRCUIT AND POWER AMPLIFICATION CIRCUIT
Abstract:
Disclosed in the present invention is a power control circuit, comprising: a voltage-current converter and a programmable current amplifier; the voltage-current converter is configured to detect an inputted output power control signal, and to convert the output power control signal to a control current and output same; and the programmable current amplifier is configured to receive the control current and output the amplified control current as a bias current of the power amplifier connected to the power control circuit. Also disclosed in the present invention is a power amplification circuit.