HK1023861A1 - High dynamic range variable gain amplifier - Google Patents

High dynamic range variable gain amplifier

Info

Publication number
HK1023861A1
HK1023861A1 HK00102848A HK00102848A HK1023861A1 HK 1023861 A1 HK1023861 A1 HK 1023861A1 HK 00102848 A HK00102848 A HK 00102848A HK 00102848 A HK00102848 A HK 00102848A HK 1023861 A1 HK1023861 A1 HK 1023861A1
Authority
HK
Hong Kong
Prior art keywords
dynamic range
variable gain
gain amplifier
high dynamic
range variable
Prior art date
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.)
Filing date
Publication date
Priority claimed from US08/789,108 external-priority patent/US5880631A/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of HK1023861A1 publication Critical patent/HK1023861A1/xx

Links

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 without distortion of the input signal
    • 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 (ja)
KR (2) KR100654112B1 (ja)
CN (1) CN1124680C (ja)
AU (1) AU732076B2 (ja)
BR (1) BR9714291A (ja)
CA (1) CA2274529C (ja)
HK (1) HK1023861A1 (ja)
RU (1) RU2209504C2 (ja)
WO (1) WO1998033272A1 (ja)

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
US20090102559A1 (en) 2005-11-23 2009-04-23 Nxp B.V. 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
EP0587965B1 (en) * 1992-09-16 1999-08-04 STMicroelectronics S.r.l. Differential transconductance stage, dynamically controlled by the input signal's amplitude
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

Also Published As

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

Similar Documents

Publication Publication Date Title
AU2133797A (en) High dynamic range variable gain amplifier
EP0776548A4 (en) LINEAR VARIABLE GAIN AMPLIFIER IN DECIBELS
EP0720287A3 (en) Wide dynamic range power amplifier
GB2331881B (en) Low distortion power amplifier
GB9705618D0 (en) Multistag evariablel gain amplifier circuit
AU8174598A (en) Dynamic optical amplifier
HK1023861A1 (en) High dynamic range variable gain amplifier
EP0867067A4 (en) AMPLIFIER WITH DB-LINEAR GAIN CONTROL
AU3351197A (en) Differential amplifier
IL138612A0 (en) Wide-dynamic-range variable- gain amplifier
GB9816529D0 (en) A wide dynamic range transimpedance amplifier
AU5525998A (en) Target-triggered amplification
AU4753497A (en) Merged transconductance amplifier
AU7062596A (en) Variable gain amplifying device
AU4245996A (en) Improved class ab amplifier
EP0669710A3 (en) Variable gain amplifier circuit.
GB2308222B (en) Gain clamped amplifier
GB2321150B (en) Low noise amplifier
GB9903234D0 (en) Variable gain amplifying device
GB2314223B (en) Low noise amplifier
EP0717888A4 (en) AMPLIFIER WITH VARIABLE REINFORCEMENT
AU2591499A (en) Optical amplifier with wide flat gain dynamic range
GB2331194B (en) High gain, wide band amplifier
AU7627498A (en) Dynamic biasing circuit for amplifiers
AU3078197A (en) Thermal compensation circuit affecting amplifier gain

Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20111219