HK1023861A1 - High dynamic range variable gain amplifier - Google Patents

High dynamic range variable gain amplifier

Info

Publication number: HK1023861A1
Authority: HK; Hong Kong
Prior art keywords: dynamic range; variable gain; gain amplifier; high dynamic; range variable
Prior art date: 1997-01-27

Application number

HK00102848A

Other languages

English (en)

Inventor

Sahota S Gurkanwal

Original Assignee

Qualcomm Inc

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.)

1997-01-27

Filing date

2000-05-12

Publication date

2000-09-22

1997-01-27 Priority claimed from US08/789,108 external-priority patent/US5880631A/en

2000-05-12 Application filed by Qualcomm Inc filed Critical Qualcomm Inc

2000-09-22 Publication of HK1023861A1 publication Critical patent/HK1023861A1/xx

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
- H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices

HK00102848A 1997-01-27 2000-05-12 High dynamic range variable gain amplifier HK1023861A1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US08/789,108 US5880631A (en)	1996-02-28	1997-01-27	High dynamic range variable gain amplifier
PCT/US1997/023657 WO1998033272A1 (en)	1997-01-27	1997-12-19	High dynamic range variable gain amplifier

Publications (1)

Publication Number	Publication Date
HK1023861A1 true HK1023861A1 (en)	2000-09-22

Family

ID=25146617

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
HK00102848A HK1023861A1 (en)	1997-01-27	2000-05-12	High dynamic range variable gain amplifier

Country Status (9)

Country	Link
JP (4)	JP4135988B2 (pt)
KR (2)	KR100654112B1 (pt)
CN (1)	CN1124680C (pt)
AU (1)	AU732076B2 (pt)
BR (1)	BR9714291A (pt)
CA (1)	CA2274529C (pt)
HK (1)	HK1023861A1 (pt)
RU (1)	RU2209504C2 (pt)
WO (1)	WO1998033272A1 (pt)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2357913A (en) *	1999-12-24	2001-07-04	Ericsson Telefon Ab L M	Conditioning a gain control signal so that an output is dB linear
CN1741375B (zh) *	2004-08-26	2010-10-27	瑞昱半导体股份有限公司	可动态调整供给电压的放大电路
EP1715579B1 (en) *	2005-04-19	2010-03-10	Alcatel Lucent	Analogue multiplier
US7397306B2 (en) *	2005-11-02	2008-07-08	Marvell World Trade Ltd.	High-bandwidth high-gain amplifier
WO2007060625A1 (en)	2005-11-23	2007-05-31	Nxp B.V.	A monotonic variable gain amplifier and an automatic gain control circuit
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
US7944311B1 (en) *	2009-12-17	2011-05-17	Samsung Electro-Mechanics Company, Ltd.	Feedback biasing for cascode amplifiers
EP2472723B1 (en)	2011-01-04	2015-12-16	ams AG	Amplifier with non-linear current mirror
CN103051298B (zh) *	2011-10-17	2016-07-06	中国科学院微电子研究所	可编程增益放大电路和可编程增益放大器
US9071136B2 (en) *	2012-03-30	2015-06-30	Qualcomm Incorporated	System and method for suppression of peaking in an external LC filter of a buck regulator
RU2534972C1 (ru) *	2013-04-12	2014-12-10	Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Российский государственный университет экономики и сервиса" (ФГБОУ ВПО "ЮРГУЭС")	Широкополосный неинвертирующий усилитель с малым уровнем нелинейных искажений и шумов
RU2519348C1 (ru) *	2013-05-14	2014-06-10	Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Российский государственный университет экономики и сервиса" (ФГБОУ ВПО "ЮРГУЭС")	Управляемый усилитель и смеситель аналоговых сигналов на базе дифференциального каскада дарлингтона
CN103647532A (zh) *	2013-11-26	2014-03-19	苏州贝克微电子有限公司	一种低电压，折叠式电流信号调制器
CN105353295A (zh) *	2015-12-01	2016-02-24	无锡比迅科技有限公司	一种运放增益测量电路
RU2614345C1 (ru) *	2015-12-21	2017-03-24	Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Поволжский государственный технологический университет"	Способ расширения динамического диапазона в радиотехнических системах
US9735738B2 (en) *	2016-01-06	2017-08-15	Analog Devices Global	Low-voltage low-power variable gain amplifier
CN110289822A (zh) *	2019-06-27	2019-09-27	电子科技大学	一种宽频带大动态自动增益电路
RU2771479C1 (ru) *	2021-05-12	2022-05-04	Общество с ограниченной ответственностью "ТРИУМФ АУДИО"	Симметричный усилитель с обратной связью

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2937316B2 (ja) *	1987-08-28	1999-08-23	株式会社東芝	Ｆｍ変調器
JPH077891B2 (ja) *	1988-01-09	1995-01-30	ローム株式会社	電子ボリューム回路
JPH0281505A (ja) *	1988-09-19	1990-03-22	Hitachi Ltd	可変利得増幅器
US5157350A (en) *	1991-10-31	1992-10-20	Harvey Rubens	Analog multipliers
JPH05218764A (ja) *	1992-02-03	1993-08-27	Hitachi Ltd	電子ボリューム
DE69229731T2 (de) *	1992-09-16	1999-12-23	Stmicroelectronics S.R.L., Agrate Brianza	Von dem Eingangssignal dynamisch gesteuerter Transkonduktanz-Differenzverstärker
DE69313624T2 (de) *	1993-06-30	1998-04-02	Sgs Thomson Microelectronics	Regelbarer Verstärker
US5469115A (en) *	1994-04-28	1995-11-21	Qualcomm Incorporated	Method and apparatus for automatic gain control in a digital receiver
JPH08130428A (ja) *	1994-10-28	1996-05-21	Sony Corp	可変利得増幅器

1997
- 1997-12-19 JP JP53197498A patent/JP4135988B2/ja not_active Expired - Fee Related
- 1997-12-19 KR KR1020057022889A patent/KR100654112B1/ko not_active IP Right Cessation
- 1997-12-19 AU AU57132/98A patent/AU732076B2/en not_active Ceased
- 1997-12-19 BR BR9714291-3A patent/BR9714291A/pt not_active IP Right Cessation
- 1997-12-19 WO PCT/US1997/023657 patent/WO1998033272A1/en not_active Application Discontinuation
- 1997-12-19 CA CA002274529A patent/CA2274529C/en not_active Expired - Fee Related
- 1997-12-19 CN CN97181532A patent/CN1124680C/zh not_active Expired - Fee Related
- 1997-12-19 KR KR1019997006627A patent/KR100572187B1/ko not_active IP Right Cessation
- 1997-12-19 RU RU99118581/09A patent/RU2209504C2/ru not_active IP Right Cessation
2000
- 2000-05-12 HK HK00102848A patent/HK1023861A1/xx not_active IP Right Cessation
2007
- 2007-08-17 JP JP2007212947A patent/JP2008005538A/ja not_active Withdrawn
2008
- 2008-03-18 JP JP2008069493A patent/JP2008182755A/ja active Pending
2009
- 2009-10-30 JP JP2009251325A patent/JP2010051011A/ja active Pending

Also Published As

Publication number	Publication date
CN1245598A (zh)	2000-02-23
JP2001509345A (ja)	2001-07-10
AU5713298A (en)	1998-08-18
KR100654112B1 (ko)	2006-12-05
CA2274529C (en)	2004-07-27
RU2209504C2 (ru)	2003-07-27
AU732076B2 (en)	2001-04-12
WO1998033272A1 (en)	1998-07-30
JP4135988B2 (ja)	2008-08-20
JP2008005538A (ja)	2008-01-10
CN1124680C (zh)	2003-10-15
KR20000070394A (ko)	2000-11-25
BR9714291A (pt)	2000-04-25
JP2010051011A (ja)	2010-03-04
CA2274529A1 (en)	1998-07-30
KR20060002023A (ko)	2006-01-06
KR100572187B1 (ko)	2006-04-18
JP2008182755A (ja)	2008-08-07

Publication	Publication Date	Title
AU2133797A (en)	1997-09-16	High dynamic range variable gain amplifier
EP0776548A4 (en)	1999-07-14	LINEAR VARIABLE GAIN AMPLIFIER IN DECIBELS
EP0720287A3 (en)	1997-10-15	Wide dynamic range power amplifier
GB2331881B (en)	2002-03-20	Low distortion power amplifier
GB9705618D0 (en)	1997-05-07	Multistag evariablel gain amplifier circuit
AU8174598A (en)	1999-01-19	Dynamic optical amplifier
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AU3351197A (en)	1998-01-21	Differential amplifier
IL138612A0 (en)	2001-10-31	Wide-dynamic-range variable- gain amplifier
GB9816529D0 (en)	1998-09-30	A wide dynamic range transimpedance amplifier
AU4753497A (en)	1998-04-24	Merged transconductance amplifier
AU7062596A (en)	1997-05-15	Variable gain amplifying device
AU4245996A (en)	1996-06-17	Improved class ab amplifier
EP0669710A3 (en)	1997-06-11	Variable gain amplifier circuit.
GB2308222B (en)	1997-11-12	Gain clamped amplifier
GB2321150B (en)	2000-12-06	Low noise amplifier
GB9903234D0 (en)	1999-04-07	Variable gain amplifying device
GB2314223B (en)	2000-10-04	Low noise amplifier
EP0717888A4 (en)	1998-04-08	AMPLIFIER WITH VARIABLE REINFORCEMENT
AU2591499A (en)	1999-10-18	Optical amplifier with wide flat gain dynamic range
GB2331194B (en)	2000-08-02	High gain, wide band amplifier
AU2233997A (en)	1997-10-01	Tuning amplifier
AU7627498A (en)	1998-06-29	Dynamic biasing circuit for amplifiers
AU3078197A (en)	1998-01-05	Thermal compensation circuit affecting amplifier gain

Legal Events

Date	Code	Title	Description
2004-12-15	PF	Patent in force
2012-07-27	PC	Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)	Effective date: 20111219