JPS60224313A - 自動利得調整回路 - Google Patents

自動利得調整回路

Info

Publication number
JPS60224313A
JPS60224313A JP8230184A JP8230184A JPS60224313A JP S60224313 A JPS60224313 A JP S60224313A JP 8230184 A JP8230184 A JP 8230184A JP 8230184 A JP8230184 A JP 8230184A JP S60224313 A JPS60224313 A JP S60224313A
Authority
JP
Japan
Prior art keywords
transistor
current
automatic gain
capacitor
output
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
JP8230184A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0352685B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Junichi Hikita
純一 疋田
Shigeyoshi Hayashi
林　成嘉
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.)
Rohm Co Ltd
Original Assignee
Rohm 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 Rohm Co Ltd filed Critical Rohm Co Ltd
Priority to JP8230184A priority Critical patent/JPS60224313A/ja
Publication of JPS60224313A publication Critical patent/JPS60224313A/ja
Publication of JPH0352685B2 publication Critical patent/JPH0352685B2/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
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP8230184A 1984-04-23 1984-04-23 自動利得調整回路 Granted JPS60224313A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8230184A JPS60224313A (ja) 1984-04-23 1984-04-23 自動利得調整回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8230184A JPS60224313A (ja) 1984-04-23 1984-04-23 自動利得調整回路

Publications (2)

Publication Number Publication Date
JPS60224313A true JPS60224313A (ja) 1985-11-08
JPH0352685B2 JPH0352685B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-08-12

Family

ID=13770724

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8230184A Granted JPS60224313A (ja) 1984-04-23 1984-04-23 自動利得調整回路

Country Status (1)

Country Link
JP (1) JPS60224313A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01231410A (ja) * 1987-11-25 1989-09-14 Pioneer Electron Corp 車載用自動音量調整装置
JPH01316011A (ja) * 1988-06-16 1989-12-20 Sony Corp Ａｇｃ回路
JPH01319311A (ja) * 1988-06-21 1989-12-25 Sony Corp Ａｇｃ回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5939114A (ja) * 1982-08-27 1984-03-03 Matsushita Electric Ind Co Ltd 自動利得制御信号検出装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5939114A (ja) * 1982-08-27 1984-03-03 Matsushita Electric Ind Co Ltd 自動利得制御信号検出装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01231410A (ja) * 1987-11-25 1989-09-14 Pioneer Electron Corp 車載用自動音量調整装置
JPH01316011A (ja) * 1988-06-16 1989-12-20 Sony Corp Ａｇｃ回路
JPH01319311A (ja) * 1988-06-21 1989-12-25 Sony Corp Ａｇｃ回路

Also Published As

Publication number Publication date
JPH0352685B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-08-12

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