JPS5272144A - Differential amplifier circuit - Google Patents

Differential amplifier circuit

Info

Publication number
JPS5272144A
JPS5272144A JP50148842A JP14884275A JPS5272144A JP S5272144 A JPS5272144 A JP S5272144A JP 50148842 A JP50148842 A JP 50148842A JP 14884275 A JP14884275 A JP 14884275A JP S5272144 A JPS5272144 A JP S5272144A
Authority
JP
Japan
Prior art keywords
differential amplifier
circuit
amplifier circuit
constant current
implementation
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
JP50148842A
Other languages
Japanese (ja)
Other versions
JPS5821855B2 (en
Inventor
Harunori Sato
Eiichi Matsuyama
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP50148842A priority Critical patent/JPS5821855B2/en
Publication of JPS5272144A publication Critical patent/JPS5272144A/en
Publication of JPS5821855B2 publication Critical patent/JPS5821855B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

PURPOSE:The differential amplifier cir cuit which is supplied with a current by the constant current circuit is connected with another constant current circuit in parallel to form a high input impedance circuit, thereby making the chip size smaller in combination with the IC-implementation of the circuit.
JP50148842A 1975-12-12 1975-12-12 Sadou Zofuku Cairo Expired JPS5821855B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50148842A JPS5821855B2 (en) 1975-12-12 1975-12-12 Sadou Zofuku Cairo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50148842A JPS5821855B2 (en) 1975-12-12 1975-12-12 Sadou Zofuku Cairo

Publications (2)

Publication Number Publication Date
JPS5272144A true JPS5272144A (en) 1977-06-16
JPS5821855B2 JPS5821855B2 (en) 1983-05-04

Family

ID=15461947

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50148842A Expired JPS5821855B2 (en) 1975-12-12 1975-12-12 Sadou Zofuku Cairo

Country Status (1)

Country Link
JP (1) JPS5821855B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59153311A (en) * 1983-02-22 1984-09-01 Matsushita Electric Ind Co Ltd Differential amplifier circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4731137U (en) * 1971-04-23 1972-12-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4731137U (en) * 1971-04-23 1972-12-08

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59153311A (en) * 1983-02-22 1984-09-01 Matsushita Electric Ind Co Ltd Differential amplifier circuit
JPH0473323B2 (en) * 1983-02-22 1992-11-20 Matsushita Electric Ind Co Ltd

Also Published As

Publication number Publication date
JPS5821855B2 (en) 1983-05-04

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