JPS63178611A - 利得制御回路 - Google Patents

利得制御回路

Info

Publication number
JPS63178611A
JPS63178611A JP62009150A JP915087A JPS63178611A JP S63178611 A JPS63178611 A JP S63178611A JP 62009150 A JP62009150 A JP 62009150A JP 915087 A JP915087 A JP 915087A JP S63178611 A JPS63178611 A JP S63178611A
Authority
JP
Japan
Prior art keywords
transistor
gain control
control circuit
transistors
gain
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
JP62009150A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0551206B2 (OSRAM
Inventor
Kuniaki Goto
後藤　邦章
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP62009150A priority Critical patent/JPS63178611A/ja
Priority to KR1019870015383A priority patent/KR900006434B1/ko
Publication of JPS63178611A publication Critical patent/JPS63178611A/ja
Publication of JPH0551206B2 publication Critical patent/JPH0551206B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP62009150A 1987-01-20 1987-01-20 利得制御回路 Granted JPS63178611A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP62009150A JPS63178611A (ja) 1987-01-20 1987-01-20 利得制御回路
KR1019870015383A KR900006434B1 (ko) 1987-01-20 1987-12-30 이득제어회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62009150A JPS63178611A (ja) 1987-01-20 1987-01-20 利得制御回路

Publications (2)

Publication Number Publication Date
JPS63178611A true JPS63178611A (ja) 1988-07-22
JPH0551206B2 JPH0551206B2 (OSRAM) 1993-08-02

Family

ID=11712589

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62009150A Granted JPS63178611A (ja) 1987-01-20 1987-01-20 利得制御回路

Country Status (2)

Country Link
JP (1) JPS63178611A (OSRAM)
KR (1) KR900006434B1 (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04345203A (ja) * 1991-05-22 1992-12-01 Mitsubishi Electric Corp 可変利得増幅器
US5227681A (en) * 1990-06-15 1993-07-13 Kabushiki Kaisha Toshiba Integration circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6096012A (ja) * 1983-10-31 1985-05-29 Matsushita Electric Ind Co Ltd 可変利得増幅器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6096012A (ja) * 1983-10-31 1985-05-29 Matsushita Electric Ind Co Ltd 可変利得増幅器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5227681A (en) * 1990-06-15 1993-07-13 Kabushiki Kaisha Toshiba Integration circuit
JPH04345203A (ja) * 1991-05-22 1992-12-01 Mitsubishi Electric Corp 可変利得増幅器

Also Published As

Publication number Publication date
JPH0551206B2 (OSRAM) 1993-08-02
KR880009478A (ko) 1988-09-15
KR900006434B1 (ko) 1990-08-31

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees