JPS57162808A - Variable gain amplifier - Google Patents

Variable gain amplifier

Info

Publication number
JPS57162808A
JPS57162808A JP4831381A JP4831381A JPS57162808A JP S57162808 A JPS57162808 A JP S57162808A JP 4831381 A JP4831381 A JP 4831381A JP 4831381 A JP4831381 A JP 4831381A JP S57162808 A JPS57162808 A JP S57162808A
Authority
JP
Japan
Prior art keywords
variable gain
gain amplifier
amplifier
variable
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
JP4831381A
Other languages
Japanese (ja)
Other versions
JPH0141044B2 (en
Inventor
Jieikopu Hoon Jiyon
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.)
Tektronix Inc
Original Assignee
Tektronix Inc
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 Tektronix Inc filed Critical Tektronix Inc
Priority to JP4831381A priority Critical patent/JPS57162808A/en
Publication of JPS57162808A publication Critical patent/JPS57162808A/en
Publication of JPH0141044B2 publication Critical patent/JPH0141044B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP4831381A 1981-03-31 1981-03-31 Variable gain amplifier Granted JPS57162808A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4831381A JPS57162808A (en) 1981-03-31 1981-03-31 Variable gain amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4831381A JPS57162808A (en) 1981-03-31 1981-03-31 Variable gain amplifier

Publications (2)

Publication Number Publication Date
JPS57162808A true JPS57162808A (en) 1982-10-06
JPH0141044B2 JPH0141044B2 (en) 1989-09-01

Family

ID=12799918

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4831381A Granted JPS57162808A (en) 1981-03-31 1981-03-31 Variable gain amplifier

Country Status (1)

Country Link
JP (1) JPS57162808A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59161109A (en) * 1983-03-04 1984-09-11 Fujitsu Ltd Variable gain amplifier
JP2007104136A (en) * 2005-09-30 2007-04-19 Matsushita Electric Ind Co Ltd Photoelectric current amplifier circuit, and optical pickup apparatus
JP2012244448A (en) * 2011-05-20 2012-12-10 Hitachi Ltd Operational amplification circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525209A (en) * 1978-08-11 1980-02-22 Hitachi Ltd Gain control circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525209A (en) * 1978-08-11 1980-02-22 Hitachi Ltd Gain control circuit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59161109A (en) * 1983-03-04 1984-09-11 Fujitsu Ltd Variable gain amplifier
JPH0324812B2 (en) * 1983-03-04 1991-04-04 Fujitsu Kk
JP2007104136A (en) * 2005-09-30 2007-04-19 Matsushita Electric Ind Co Ltd Photoelectric current amplifier circuit, and optical pickup apparatus
JP4646772B2 (en) * 2005-09-30 2011-03-09 パナソニック株式会社 Photocurrent amplifier circuit and optical pickup device
JP2012244448A (en) * 2011-05-20 2012-12-10 Hitachi Ltd Operational amplification circuit

Also Published As

Publication number Publication date
JPH0141044B2 (en) 1989-09-01

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