Title:
COMPENSATION CIRCUIT FOR AMPLITUDE MODULATION TO AMPLITUDE MODULATION OF A RADIO FREQUENCY POWER AMPLIFIER
Document Type and Number:
WIPO Patent Application WO/2021/056881
Kind Code:
A1
Abstract:
Provided in the present application is a compensation circuit for amplitude modulation to amplitude modulation of a radio frequency power amplifier, the compensation circuit comprising: a first bias circuit, a power amplifier, and a compensation circuit located between the first bias circuit and the power amplifier, wherein the compensation circuit comprises a diode detection circuit and a feedforward amplifier, and is used for compensating for amplitude modulation to amplitude modulation (AM-AM) distortion.
Inventors:
YI JIANGTAO (CN)
SU QIANG (CN)
WEN HUADONG (CN)
SU QIANG (CN)
WEN HUADONG (CN)
Application Number:
PCT/CN2019/127407
Publication Date:
April 01, 2021
Filing Date:
December 23, 2019
Export Citation:
Assignee:
SMARTER MICROELECTRONICS GUANG ZHOU CO LTD (CN)
International Classes:
H03C1/06
Foreign References:
| CN108512515A | 2018-09-07 | |||
| CN108512515A | 2018-09-07 | |||
| CN103715997A | 2014-04-09 | |||
| CN1929295A | 2007-03-14 | |||
| US10277173B1 | 2019-04-30 | |||
| CN101394151A | 2009-03-25 | |||
| CN102969995A | 2013-03-13 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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