CN113424442A - 一种可变增益放大器 - Google Patents

一种可变增益放大器 Download PDF

Info

Publication number
CN113424442A
CN113424442A CN201980091930.3A CN201980091930A CN113424442A CN 113424442 A CN113424442 A CN 113424442A CN 201980091930 A CN201980091930 A CN 201980091930A CN 113424442 A CN113424442 A CN 113424442A
Authority
CN
China
Prior art keywords
common
pair
tube
gate
tube pair
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201980091930.3A
Other languages
English (en)
Other versions
CN113424442B (zh
Inventor
李天一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN113424442A publication Critical patent/CN113424442A/zh
Application granted granted Critical
Publication of CN113424442B publication Critical patent/CN113424442B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control

Landscapes

  • Amplifiers (AREA)

Abstract

一种可变增益放大器VGA，第一共源管对分别与第一共栅管对和第二共栅管对构成共源共栅结构，第二共源管对分别与第三共栅管对和第四共栅管对构成共源共栅结构，第一负载电阻分别耦合第一共栅管对中一个共栅管的漏极和第三共栅管对中一个共栅管的漏极，第二负载电阻分别耦合第一共栅管对中另一个共栅管的漏极和第三共栅管对中另一个共栅管的漏极，第一虚拟电阻分别耦合第二虚拟电阻、第二共栅管对中两个共栅管的漏极和第四共栅管对中两个共栅管的漏极，分流电路分别耦合第一共栅管对中两个共栅管的源极和第一虚拟电阻，反向并联电路分别耦合第三共栅管对中两个共栅管的源极、第一负载电阻和第二负载电阻。本申请实施例，可以提高VGA的性能。

Description

PCT国内申请，说明书已公开。

Claims (12)

  1. PCT国内申请，权利要求书已公开。
CN201980091930.3A 2019-02-27 2019-02-27 一种可变增益放大器 Active CN113424442B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/076369 WO2020172827A1 (zh) 2019-02-27 2019-02-27 一种可变增益放大器

Publications (2)

Publication Number Publication Date
CN113424442A true CN113424442A (zh) 2021-09-21
CN113424442B CN113424442B (zh) 2022-05-31

Family

ID=72238792

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980091930.3A Active CN113424442B (zh) 2019-02-27 2019-02-27 一种可变增益放大器

Country Status (2)

Country Link
CN (1) CN113424442B (zh)
WO (1) WO2020172827A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114513169A (zh) * 2022-01-12 2022-05-17 电子科技大学 一种采用退化电感技术的宽带低相位误差可变增益放大器
CN115296632A (zh) * 2022-10-08 2022-11-04 杭州万高科技股份有限公司 具有双模连续增益调节和高鲁棒性的自动增益控制电路

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5122760A (en) * 1990-05-17 1992-06-16 Nec Corporation Detector for automatic gain control amplifier circuit
US6342813B1 (en) * 2000-08-24 2002-01-29 International Business Machines Corporation Variable gain amplifier
US6400227B1 (en) * 2001-05-31 2002-06-04 Analog Devices, Inc. Stepped gain controlled RF driver amplifier in CMOS
US20060261893A1 (en) * 2005-05-17 2006-11-23 Ming-Chou Chiang Current-matching variable gain amplifier
US7378881B1 (en) * 2003-04-11 2008-05-27 Opris Ion E Variable gain amplifier circuit
US20110063030A1 (en) * 2009-09-11 2011-03-17 Electronics And Telecommunications Research Institute Cmos variable gain amplifier
US20110095822A1 (en) * 2009-10-23 2011-04-28 Sunplus Technology Co., Ltd. Variable-gain low noise amplifier
CN102468812A (zh) * 2010-11-01 2012-05-23 富士通半导体股份有限公司 可变增益放大器
CN102684622A (zh) * 2012-05-24 2012-09-19 电子科技大学 一种可变增益放大器
US8742846B1 (en) * 2013-03-14 2014-06-03 Hittite Microwave Corporation Selectable gain differential amplifier
CN104521138A (zh) * 2012-08-08 2015-04-15 高通股份有限公司 多共源共栅放大器偏置技术
CN105720938A (zh) * 2016-01-22 2016-06-29 西安电子科技大学 一种dB线性超宽带可变增益放大器
US9407220B1 (en) * 2015-03-20 2016-08-02 Analog Devices, Inc. Digitally controlled variable transductance stage for microwave mixers and amplifiers
CN106982033A (zh) * 2017-02-23 2017-07-25 锐迪科微电子（上海）有限公司 一种基于升压技术的功率放大器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101350605B (zh) * 2008-09-12 2011-09-28 东南大学 带有最小增益控制的改进型双极型可变增益放大器
CN101944888B (zh) * 2010-09-09 2012-08-08 华东师范大学 一种可变增益低噪声驱动放大器
JP2015165639A (ja) * 2014-03-03 2015-09-17 パナソニック株式会社 可変利得多段増幅器及び受信機

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5122760A (en) * 1990-05-17 1992-06-16 Nec Corporation Detector for automatic gain control amplifier circuit
US6342813B1 (en) * 2000-08-24 2002-01-29 International Business Machines Corporation Variable gain amplifier
US6400227B1 (en) * 2001-05-31 2002-06-04 Analog Devices, Inc. Stepped gain controlled RF driver amplifier in CMOS
US7378881B1 (en) * 2003-04-11 2008-05-27 Opris Ion E Variable gain amplifier circuit
US20060261893A1 (en) * 2005-05-17 2006-11-23 Ming-Chou Chiang Current-matching variable gain amplifier
US20110063030A1 (en) * 2009-09-11 2011-03-17 Electronics And Telecommunications Research Institute Cmos variable gain amplifier
US20110095822A1 (en) * 2009-10-23 2011-04-28 Sunplus Technology Co., Ltd. Variable-gain low noise amplifier
CN102468812A (zh) * 2010-11-01 2012-05-23 富士通半导体股份有限公司 可变增益放大器
CN102684622A (zh) * 2012-05-24 2012-09-19 电子科技大学 一种可变增益放大器
CN104521138A (zh) * 2012-08-08 2015-04-15 高通股份有限公司 多共源共栅放大器偏置技术
US8742846B1 (en) * 2013-03-14 2014-06-03 Hittite Microwave Corporation Selectable gain differential amplifier
US9407220B1 (en) * 2015-03-20 2016-08-02 Analog Devices, Inc. Digitally controlled variable transductance stage for microwave mixers and amplifiers
CN105720938A (zh) * 2016-01-22 2016-06-29 西安电子科技大学 一种dB线性超宽带可变增益放大器
CN106982033A (zh) * 2017-02-23 2017-07-25 锐迪科微电子（上海）有限公司 一种基于升压技术的功率放大器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王景帅 等: "一种带消失调电路的高线性度可变增益放大器", 《南开大学学报（自然科学版）》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114513169A (zh) * 2022-01-12 2022-05-17 电子科技大学 一种采用退化电感技术的宽带低相位误差可变增益放大器
CN114513169B (zh) * 2022-01-12 2024-02-09 电子科技大学 一种采用退化电感技术的宽带低相位误差可变增益放大器
CN115296632A (zh) * 2022-10-08 2022-11-04 杭州万高科技股份有限公司 具有双模连续增益调节和高鲁棒性的自动增益控制电路
CN115296632B (zh) * 2022-10-08 2023-01-10 杭州万高科技股份有限公司 具有双模连续增益调节和高鲁棒性的自动增益控制电路

Also Published As

Publication number Publication date
WO2020172827A1 (zh) 2020-09-03
CN113424442B (zh) 2022-05-31

Similar Documents

Publication Publication Date Title
CN105393453B (zh) 具有宽输入电流范围的跨阻抗放大器的装置和方法
CN107707217B (zh) 高dB增益的宽带变跨导六位有源移相器
CN101951236B (zh) 一种数字可变增益放大器
CN100578924C (zh) 输出级电路、功率放大电路及电信号的处理方法
CN101697479B (zh) 可调增益低噪声放大器
CN113424442B (zh) 一种可变增益放大器
CN107370461B (zh) 一种应用于跨阻放大器的补偿结构
CN104242830B (zh) 基于有源电感的可重配置超宽带低噪声放大器
CN109462381B (zh) 一种适用于深亚微米cmos工艺的运算电流放大器
CN112039444B (zh) 一种提升正温度系数变化范围的增益放大器
CN105720927A (zh) 一种频率补偿的跨导放大器
TW201025842A (en) Method and system for variable-gain amplifier
CN201846315U (zh) 一种数字可变增益放大器
CN107819445A (zh) 一种高速大输出摆幅驱动电路
CN111277235B (zh) 一种增益可调的交叉耦合运算放大电路
CN111665898B (zh) 一种基于GaAs HBT工艺的功放芯片偏置电路
CN106026954A (zh) 运算放大器频率补偿电路
CN110855274B (zh) 一种低失调轨对轨动态锁存比较器
CN101834575B (zh) 运算放大器
CN105867504B (zh) 一种高电源抑制比基准电压源
CN216016845U (zh) 一种缓冲器电路和一种电子设备
CN105720935A (zh) 一种衬底输入结构的跨导放大器
CN211089632U (zh) 一种高线性度宽摆幅cmos电压跟随器
CN111293983B (zh) 一种带共模反馈的高线性度有源混频器
CN107896096A (zh) 采样保持电路前端宽带放大器

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant