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JPS5441053A - Gain control amplifier - Google Patents

Gain control amplifier

Info

Publication number
JPS5441053A
JPS5441053A JP10806177A JP10806177A JPS5441053A JP S5441053 A JPS5441053 A JP S5441053A JP 10806177 A JP10806177 A JP 10806177A JP 10806177 A JP10806177 A JP 10806177A JP S5441053 A JPS5441053 A JP S5441053A
Authority
JP
Japan
Prior art keywords
gain control
control amplifier
diode
differential amplifier
thid
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.)
Pending
Application number
JP10806177A
Other languages
Japanese (ja)
Inventor
Masaaki Mochizuki
Akio Yokoyama
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 JP10806177A priority Critical patent/JPS5441053A/en
Publication of JPS5441053A publication Critical patent/JPS5441053A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)

Abstract

PURPOSE: To prevent the fluctuation of the DC output level by connecting a diode, whose impedance is changed, to a differential amplifier for signal amplification and providing a gain controlling differential amplifier which changes the current of thid diode.
COPYRIGHT: (C)1979,JPO&Japio
JP10806177A 1977-09-07 1977-09-07 Gain control amplifier Pending JPS5441053A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10806177A JPS5441053A (en) 1977-09-07 1977-09-07 Gain control amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10806177A JPS5441053A (en) 1977-09-07 1977-09-07 Gain control amplifier

Publications (1)

Publication Number Publication Date
JPS5441053A true JPS5441053A (en) 1979-03-31

Family

ID=14474899

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10806177A Pending JPS5441053A (en) 1977-09-07 1977-09-07 Gain control amplifier

Country Status (1)

Country Link
JP (1) JPS5441053A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57211814A (en) * 1981-06-24 1982-12-25 Toshiba Corp Gain variable amplifier
JPH0358603A (en) * 1989-07-27 1991-03-13 Nec Corp Gain control circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50118648A (en) * 1974-03-01 1975-09-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50118648A (en) * 1974-03-01 1975-09-17

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57211814A (en) * 1981-06-24 1982-12-25 Toshiba Corp Gain variable amplifier
JPH0358603A (en) * 1989-07-27 1991-03-13 Nec Corp Gain control circuit

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