CA2274529A1 - Amplificateur a gain variable a plage dynamique elevee - Google Patents

Amplificateur a gain variable a plage dynamique elevee Download PDF

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Publication number
CA2274529A1
CA2274529A1 CA002274529A CA2274529A CA2274529A1 CA 2274529 A1 CA2274529 A1 CA 2274529A1 CA 002274529 A CA002274529 A CA 002274529A CA 2274529 A CA2274529 A CA 2274529A CA 2274529 A1 CA2274529 A1 CA 2274529A1
Authority
CA
Canada
Prior art keywords
amplifier
variable gain
dynamic range
high dynamic
gain amplifier
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
CA002274529A
Other languages
English (en)
Other versions
CA2274529C (fr
Inventor
S. Gurkanwal Sahota
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.)
Qualcomm Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2274529A1 publication Critical patent/CA2274529A1/fr
Application granted granted Critical
Publication of CA2274529C publication Critical patent/CA2274529C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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 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

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
CA002274529A 1997-01-27 1997-12-19 Amplificateur a gain variable a plage dynamique elevee Expired - Fee Related CA2274529C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/789,108 US5880631A (en) 1996-02-28 1997-01-27 High dynamic range variable gain amplifier
US789,108 1997-01-27
PCT/US1997/023657 WO1998033272A1 (fr) 1997-01-27 1997-12-19 Amplificateur a gain variable a plage dynamique elevee

Publications (2)

Publication Number Publication Date
CA2274529A1 true CA2274529A1 (fr) 1998-07-30
CA2274529C CA2274529C (fr) 2004-07-27

Family

ID=25146617

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002274529A Expired - Fee Related CA2274529C (fr) 1997-01-27 1997-12-19 Amplificateur a gain variable a plage dynamique elevee

Country Status (8)

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

Families Citing this family (19)

* 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
ATE460772T1 (de) * 2005-04-19 2010-03-15 Alcatel Lucent Analog-multiplizierer
US7397306B2 (en) * 2005-11-02 2008-07-08 Marvell World Trade Ltd. High-bandwidth high-gain amplifier
CN101313466A (zh) 2005-11-23 2008-11-26 Nxp股份有限公司 单调可变增益放大器和自动增益控制电路
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 (fr) 2011-01-04 2015-12-16 ams AG Amplificateur doté d'un miroir de courant non linéaire
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
WO2022138284A1 (fr) * 2020-12-25 2022-06-30 株式会社村田製作所 Circuit amplificateur
RU2771479C1 (ru) * 2021-05-12 2022-05-04 Общество с ограниченной ответственностью "ТРИУМФ АУДИО" Симметричный усилитель с обратной связью

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3641450A (en) * 1970-12-15 1972-02-08 Motorola Inc Gain controlled differential amplifier circuit
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
US5099204A (en) * 1990-10-15 1992-03-24 Qualcomm Incorporated Linear gain control amplifier
RU2012394C1 (ru) * 1991-06-20 1994-05-15 Институт нефтехимического синтеза им.А.В.Топчиева РАН Способ модификации асимметричной мембраны из поливинилтриметилсилана
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
EP0620639B1 (fr) * 1993-04-06 1999-02-10 STMicroelectronics S.r.l. Amplificateur à gain variable pour systèmes à tension d'alimentation basse
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
US5451901A (en) * 1994-07-01 1995-09-19 Cirrus Logic Inc. Transconductance amplifiers and exponential variable gain amplifiers using the same
JPH08130428A (ja) * 1994-10-28 1996-05-21 Sony Corp 可変利得増幅器

Also Published As

Publication number Publication date
KR100654112B1 (ko) 2006-12-05
JP2008182755A (ja) 2008-08-07
JP2008005538A (ja) 2008-01-10
RU2209504C2 (ru) 2003-07-27
CN1124680C (zh) 2003-10-15
JP4135988B2 (ja) 2008-08-20
JP2001509345A (ja) 2001-07-10
JP2010051011A (ja) 2010-03-04
AU5713298A (en) 1998-08-18
BR9714291A (pt) 2000-04-25
WO1998033272A1 (fr) 1998-07-30
KR100572187B1 (ko) 2006-04-18
KR20060002023A (ko) 2006-01-06
CN1245598A (zh) 2000-02-23
AU732076B2 (en) 2001-04-12
CA2274529C (fr) 2004-07-27
HK1023861A1 (en) 2000-09-22
KR20000070394A (ko) 2000-11-25

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EEER Examination request
MKLA Lapsed

Effective date: 20121219