ATE315284T1 - Verstärker mit variabler transkonduktanz und variabler verstärkung unter verwendung einer degenerierten differenzanordnung - Google Patents

Verstärker mit variabler transkonduktanz und variabler verstärkung unter verwendung einer degenerierten differenzanordnung

Info

Publication number
ATE315284T1
ATE315284T1 AT01910559T AT01910559T ATE315284T1 AT E315284 T1 ATE315284 T1 AT E315284T1 AT 01910559 T AT01910559 T AT 01910559T AT 01910559 T AT01910559 T AT 01910559T AT E315284 T1 ATE315284 T1 AT E315284T1
Authority
AT
Austria
Prior art keywords
variable
transconductance
gain amplifier
degeneration resistance
differential arrangement
Prior art date
Application number
AT01910559T
Other languages
English (en)
Inventor
Thinh Cat Nguyen
Arnoldus Venes
Original Assignee
Broadcom Corp
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 Broadcom Corp filed Critical Broadcom Corp
Application granted granted Critical
Publication of ATE315284T1 publication Critical patent/ATE315284T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/45197—Pl types
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3211—Modifications of amplifiers to reduce non-linear distortion in differential amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/372—Noise reduction and elimination in amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45288—Differential amplifier with circuit arrangements to enhance the transconductance
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45302—Indexing scheme relating to differential amplifiers the common gate stage of a cascode dif amp being controlled
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45318—Indexing scheme relating to differential amplifiers the AAC comprising a cross coupling circuit, e.g. two extra transistors cross coupled
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45352—Indexing scheme relating to differential amplifiers the AAC comprising a combination of a plurality of transistors, e.g. Darlington coupled transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45356—Indexing scheme relating to differential amplifiers the AAC comprising one or more op-amps, e.g. IC-blocks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45366—Indexing scheme relating to differential amplifiers the AAC comprising multiple transistors parallel coupled at their gates only, e.g. in a cascode dif amp, only those forming the composite common source transistor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45491—Indexing scheme relating to differential amplifiers the CSC being a pi circuit and the resistor being implemented by one or more transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45492—Indexing scheme relating to differential amplifiers the CSC being a pi circuit and the resistor being implemented by one or more controlled transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
AT01910559T 2000-02-15 2001-02-08 Verstärker mit variabler transkonduktanz und variabler verstärkung unter verwendung einer degenerierten differenzanordnung ATE315284T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18264800P 2000-02-15 2000-02-15

Publications (1)

Publication Number Publication Date
ATE315284T1 true ATE315284T1 (de) 2006-02-15

Family

ID=22669425

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01910559T ATE315284T1 (de) 2000-02-15 2001-02-08 Verstärker mit variabler transkonduktanz und variabler verstärkung unter verwendung einer degenerierten differenzanordnung

Country Status (5)

Country Link
EP (1) EP1260015B1 (de)
AT (1) ATE315284T1 (de)
AU (1) AU2001238154A1 (de)
DE (1) DE60116470T2 (de)
WO (1) WO2001061842A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2381415B (en) * 2001-10-24 2003-12-10 Motorola Inc Receiver circuit for use in radio communications and communications unit including such a circuit
KR100704926B1 (ko) * 2004-09-07 2007-04-10 인티그런트 테크놀로지즈(주) 멀티플 게이트드 트랜지스터를 이용하여 선형성을 개선한능동 회로
US7893768B2 (en) 2009-03-10 2011-02-22 Texas Instruments Incorporated Automatic gain control
CN113111837B (zh) * 2021-04-25 2022-05-13 山东省人工智能研究院 基于多媒体语义解析的监控视频智能预警方法
TWI847365B (zh) * 2022-11-15 2024-07-01 瑞昱半導體股份有限公司 半導體裝置及其布局方法
CN121231973B (zh) * 2025-10-30 2026-04-21 北京锐和昌航天科技有限公司 一种宽量程的开关管漏电流检测方法及其系统

Family Cites Families (4)

* 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
US5625307A (en) * 1992-03-03 1997-04-29 Anadigics, Inc. Low cost monolithic gallium arsenide upconverter chip
EP0587965B1 (de) * 1992-09-16 1999-08-04 STMicroelectronics S.r.l. Von dem Eingangssignal dynamisch gesteuerter Transkonduktanz-Differenzverstärker
WO1996031945A2 (en) * 1995-04-04 1996-10-10 Philips Electronics N.V. An amplifier stage having a switchable gain and reduced distortion

Also Published As

Publication number Publication date
DE60116470T2 (de) 2006-08-10
DE60116470D1 (de) 2006-03-30
WO2001061842A1 (en) 2001-08-23
AU2001238154A1 (en) 2001-08-27
EP1260015A1 (de) 2002-11-27
EP1260015B1 (de) 2006-01-04

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Legal Events

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