JPS5750115A - Gain control circuit - Google Patents

Gain control circuit

Info

Publication number
JPS5750115A
JPS5750115A JP12548080A JP12548080A JPS5750115A JP S5750115 A JPS5750115 A JP S5750115A JP 12548080 A JP12548080 A JP 12548080A JP 12548080 A JP12548080 A JP 12548080A JP S5750115 A JPS5750115 A JP S5750115A
Authority
JP
Japan
Prior art keywords
current
gain control
collector
output
transistor
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
JP12548080A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0137884B2 (US20100268047A1-20101021-C00003.png
Inventor
Kazuo Tokuda
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP12548080A priority Critical patent/JPS5750115A/ja
Publication of JPS5750115A publication Critical patent/JPS5750115A/ja
Publication of JPH0137884B2 publication Critical patent/JPH0137884B2/ja
Granted 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 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

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP12548080A 1980-09-10 1980-09-10 Gain control circuit Granted JPS5750115A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12548080A JPS5750115A (en) 1980-09-10 1980-09-10 Gain control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12548080A JPS5750115A (en) 1980-09-10 1980-09-10 Gain control circuit

Publications (2)

Publication Number Publication Date
JPS5750115A true JPS5750115A (en) 1982-03-24
JPH0137884B2 JPH0137884B2 (US20100268047A1-20101021-C00003.png) 1989-08-10

Family

ID=14911127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12548080A Granted JPS5750115A (en) 1980-09-10 1980-09-10 Gain control circuit

Country Status (1)

Country Link
JP (1) JPS5750115A (US20100268047A1-20101021-C00003.png)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60185411A (ja) * 1984-03-02 1985-09-20 Fujitsu Ltd 利得可変増巾回路
JPS62180690A (ja) * 1986-02-05 1987-08-07 Nippon Telegr & Teleph Corp <Ntt> マルチメデイアメ−ル配送制御方式
JPS62171214U (US20100268047A1-20101021-C00003.png) * 1986-04-18 1987-10-30

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54128251A (en) * 1978-03-29 1979-10-04 Hitachi Ltd Mute circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54128251A (en) * 1978-03-29 1979-10-04 Hitachi Ltd Mute circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60185411A (ja) * 1984-03-02 1985-09-20 Fujitsu Ltd 利得可変増巾回路
JPS62180690A (ja) * 1986-02-05 1987-08-07 Nippon Telegr & Teleph Corp <Ntt> マルチメデイアメ−ル配送制御方式
JPS62171214U (US20100268047A1-20101021-C00003.png) * 1986-04-18 1987-10-30

Also Published As

Publication number Publication date
JPH0137884B2 (US20100268047A1-20101021-C00003.png) 1989-08-10

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