JPS5279643A - Gain control circuit - Google Patents

Gain control circuit

Info

Publication number
JPS5279643A
JPS5279643A JP15934975A JP15934975A JPS5279643A JP S5279643 A JPS5279643 A JP S5279643A JP 15934975 A JP15934975 A JP 15934975A JP 15934975 A JP15934975 A JP 15934975A JP S5279643 A JPS5279643 A JP S5279643A
Authority
JP
Japan
Prior art keywords
gain control
control circuit
control range
external voltage
suitably applied
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
JP15934975A
Other languages
Japanese (ja)
Other versions
JPS575088B2 (en
Inventor
Namio Yamaguchi
Sukeyuki Sato
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP15934975A priority Critical patent/JPS5279643A/en
Publication of JPS5279643A publication Critical patent/JPS5279643A/en
Publication of JPS575088B2 publication Critical patent/JPS575088B2/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)

Abstract

PURPOSE:To obtain circuit which is suitably applied to IC by varying gain control range through external voltage.
JP15934975A 1975-12-25 1975-12-25 Gain control circuit Granted JPS5279643A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15934975A JPS5279643A (en) 1975-12-25 1975-12-25 Gain control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15934975A JPS5279643A (en) 1975-12-25 1975-12-25 Gain control circuit

Publications (2)

Publication Number Publication Date
JPS5279643A true JPS5279643A (en) 1977-07-04
JPS575088B2 JPS575088B2 (en) 1982-01-28

Family

ID=15691892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15934975A Granted JPS5279643A (en) 1975-12-25 1975-12-25 Gain control circuit

Country Status (1)

Country Link
JP (1) JPS5279643A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55123236A (en) * 1978-11-06 1980-09-22 Toshiba Corp Signal change-over circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5162753U (en) * 1974-11-09 1976-05-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5162753U (en) * 1974-11-09 1976-05-18

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55123236A (en) * 1978-11-06 1980-09-22 Toshiba Corp Signal change-over circuit
JPS5836856B2 (en) * 1978-11-06 1983-08-12 株式会社東芝 Signal switching circuit

Also Published As

Publication number Publication date
JPS575088B2 (en) 1982-01-28

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