JPS536553A - Variable gain amplifier - Google Patents

Variable gain amplifier

Info

Publication number
JPS536553A
JPS536553A JP8166476A JP8166476A JPS536553A JP S536553 A JPS536553 A JP S536553A JP 8166476 A JP8166476 A JP 8166476A JP 8166476 A JP8166476 A JP 8166476A JP S536553 A JPS536553 A JP S536553A
Authority
JP
Japan
Prior art keywords
variable gain
gain amplifier
current source
amplifier
diffrential
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
JP8166476A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5719886B2 (enExample
Inventor
Kinji Kawamoto
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 JP8166476A priority Critical patent/JPS536553A/ja
Publication of JPS536553A publication Critical patent/JPS536553A/ja
Publication of JPS5719886B2 publication Critical patent/JPS5719886B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Networks Using Active Elements (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP8166476A 1976-07-08 1976-07-08 Variable gain amplifier Granted JPS536553A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8166476A JPS536553A (en) 1976-07-08 1976-07-08 Variable gain amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8166476A JPS536553A (en) 1976-07-08 1976-07-08 Variable gain amplifier

Publications (2)

Publication Number Publication Date
JPS536553A true JPS536553A (en) 1978-01-21
JPS5719886B2 JPS5719886B2 (enExample) 1982-04-24

Family

ID=13752586

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8166476A Granted JPS536553A (en) 1976-07-08 1976-07-08 Variable gain amplifier

Country Status (1)

Country Link
JP (1) JPS536553A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56103524A (en) * 1979-12-21 1981-08-18 Philips Nv Variable impedance circuit
JPS5947817A (ja) * 1982-06-22 1984-03-17 テキサス・インスツルメンツ・ドイツチエランド・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 高周波増幅器
JPH03103615U (enExample) * 1990-02-09 1991-10-28

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582807A (en) * 1969-07-28 1971-06-01 Tektronix Inc Amplifier gain control circuit including diode bridge
JPS5115350A (enExample) * 1974-07-30 1976-02-06 Nippon Musical Instruments Mfg

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582807A (en) * 1969-07-28 1971-06-01 Tektronix Inc Amplifier gain control circuit including diode bridge
JPS5115350A (enExample) * 1974-07-30 1976-02-06 Nippon Musical Instruments Mfg

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56103524A (en) * 1979-12-21 1981-08-18 Philips Nv Variable impedance circuit
JPS5947817A (ja) * 1982-06-22 1984-03-17 テキサス・インスツルメンツ・ドイツチエランド・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 高周波増幅器
JPH03103615U (enExample) * 1990-02-09 1991-10-28

Also Published As

Publication number Publication date
JPS5719886B2 (enExample) 1982-04-24

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