JPS57194613A - Variable gain amplifying circuit - Google Patents

Variable gain amplifying circuit

Info

Publication number
JPS57194613A
JPS57194613A JP8049481A JP8049481A JPS57194613A JP S57194613 A JPS57194613 A JP S57194613A JP 8049481 A JP8049481 A JP 8049481A JP 8049481 A JP8049481 A JP 8049481A JP S57194613 A JPS57194613 A JP S57194613A
Authority
JP
Japan
Prior art keywords
emitter
collector
output
trq3
feedback
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
JP8049481A
Other languages
English (en)
Other versions
JPH0230202B2 (ja
Inventor
Seigo Naito
Hiroshi Mabuchi
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.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable Ltd
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 Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Priority to JP8049481A priority Critical patent/JPH0230202B2/ja
Publication of JPS57194613A publication Critical patent/JPS57194613A/ja
Publication of JPH0230202B2 publication Critical patent/JPH0230202B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
JP8049481A 1981-05-27 1981-05-27 Ritokukahenzofukukairo Expired - Lifetime JPH0230202B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8049481A JPH0230202B2 (ja) 1981-05-27 1981-05-27 Ritokukahenzofukukairo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8049481A JPH0230202B2 (ja) 1981-05-27 1981-05-27 Ritokukahenzofukukairo

Publications (2)

Publication Number Publication Date
JPS57194613A true JPS57194613A (en) 1982-11-30
JPH0230202B2 JPH0230202B2 (ja) 1990-07-05

Family

ID=13719848

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8049481A Expired - Lifetime JPH0230202B2 (ja) 1981-05-27 1981-05-27 Ritokukahenzofukukairo

Country Status (1)

Country Link
JP (1) JPH0230202B2 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5952887A (en) * 1997-02-27 1999-09-14 Oki Electric Industry Co., Ltd. Feedback amplifier and optical receiver using the same
US7157977B2 (en) 2003-11-24 2007-01-02 Electronics And Telecommunications Research Institute Automatic gain control feedback amplifier
WO2009140827A1 (zh) * 2008-05-23 2009-11-26 Wan Jun 大动态、高线性、高灵敏度catv光接收模块
US8841969B2 (en) 2011-12-29 2014-09-23 Electronics And Telecommunications Research Institute Automatic gain control feedback amplifier
US9178474B2 (en) 2013-01-02 2015-11-03 Electronics And Telecommunications Research Institute Feedback amplifier

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5952887A (en) * 1997-02-27 1999-09-14 Oki Electric Industry Co., Ltd. Feedback amplifier and optical receiver using the same
US7157977B2 (en) 2003-11-24 2007-01-02 Electronics And Telecommunications Research Institute Automatic gain control feedback amplifier
WO2009140827A1 (zh) * 2008-05-23 2009-11-26 Wan Jun 大动态、高线性、高灵敏度catv光接收模块
CN101984775A (zh) * 2008-05-23 2011-03-09 万军 大动态、高线性、高灵敏度catv光接收模块
US8841969B2 (en) 2011-12-29 2014-09-23 Electronics And Telecommunications Research Institute Automatic gain control feedback amplifier
US9178474B2 (en) 2013-01-02 2015-11-03 Electronics And Telecommunications Research Institute Feedback amplifier

Also Published As

Publication number Publication date
JPH0230202B2 (ja) 1990-07-05

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