AU732076B2 - High dynamic range variable gain amplifier - Google Patents

High dynamic range variable gain amplifier Download PDF

Info

Publication number
AU732076B2
AU732076B2 AU57132/98A AU5713298A AU732076B2 AU 732076 B2 AU732076 B2 AU 732076B2 AU 57132/98 A AU57132/98 A AU 57132/98A AU 5713298 A AU5713298 A AU 5713298A AU 732076 B2 AU732076 B2 AU 732076B2
Authority
AU
Australia
Prior art keywords
amplifier
current
transconductance
coupled
input stage
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.)
Ceased
Application number
AU57132/98A
Other languages
English (en)
Other versions
AU5713298A (en
Inventor
Sahota S. Gurkanwal
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
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 AU5713298A publication Critical patent/AU5713298A/en
Application granted granted Critical
Publication of AU732076B2 publication Critical patent/AU732076B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G1/00Details of arrangements for controlling amplification
    • H03G1/0005Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017Circuits 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
    • H03G1/0023Circuits 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic 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)
AU57132/98A 1997-01-27 1997-12-19 High dynamic range variable gain amplifier Ceased AU732076B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US789108 1985-10-18
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 (2)

Publication Number Publication Date
AU5713298A AU5713298A (en) 1998-08-18
AU732076B2 true AU732076B2 (en) 2001-04-12

Family

ID=25146617

Family Applications (1)

Application Number Title Priority Date Filing Date
AU57132/98A Ceased AU732076B2 (en) 1997-01-27 1997-12-19 High dynamic range variable gain amplifier

Country Status (9)

Country Link
JP (4) JP4135988B2 (xx)
KR (2) KR100572187B1 (xx)
CN (1) CN1124680C (xx)
AU (1) AU732076B2 (xx)
BR (1) BR9714291A (xx)
CA (1) CA2274529C (xx)
HK (1) HK1023861A1 (xx)
RU (1) RU2209504C2 (xx)
WO (1) WO1998033272A1 (xx)

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
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
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5157350A (en) * 1991-10-31 1992-10-20 Harvey Rubens Analog multipliers

Family Cites Families (8)

* 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
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
EP0632583B1 (en) * 1993-06-30 1997-09-03 STMicroelectronics S.r.l. Variable gain amplifier
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5157350A (en) * 1991-10-31 1992-10-20 Harvey Rubens Analog multipliers

Also Published As

Publication number Publication date
AU5713298A (en) 1998-08-18
KR20000070394A (ko) 2000-11-25
KR100654112B1 (ko) 2006-12-05
CA2274529C (en) 2004-07-27
JP2008182755A (ja) 2008-08-07
WO1998033272A1 (en) 1998-07-30
KR20060002023A (ko) 2006-01-06
JP2010051011A (ja) 2010-03-04
HK1023861A1 (en) 2000-09-22
RU2209504C2 (ru) 2003-07-27
JP2001509345A (ja) 2001-07-10
CA2274529A1 (en) 1998-07-30
BR9714291A (pt) 2000-04-25
CN1124680C (zh) 2003-10-15
JP4135988B2 (ja) 2008-08-20
CN1245598A (zh) 2000-02-23
JP2008005538A (ja) 2008-01-10
KR100572187B1 (ko) 2006-04-18

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FGA Letters patent sealed or granted (standard patent)