JPS5214336A - High input impedance differential amplifier circuit - Google Patents

High input impedance differential amplifier circuit

Info

Publication number
JPS5214336A
JPS5214336A JP50090234A JP9023475A JPS5214336A JP S5214336 A JPS5214336 A JP S5214336A JP 50090234 A JP50090234 A JP 50090234A JP 9023475 A JP9023475 A JP 9023475A JP S5214336 A JPS5214336 A JP S5214336A
Authority
JP
Japan
Prior art keywords
amplifier circuit
input impedance
differential amplifier
high input
impedance differential
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.)
Pending
Application number
JP50090234A
Other languages
Japanese (ja)
Inventor
Hitomi Tojiki
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.)
Hitachi Denshi KK
Original Assignee
Hitachi Denshi KK
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 Hitachi Denshi KK filed Critical Hitachi Denshi KK
Priority to JP50090234A priority Critical patent/JPS5214336A/en
Publication of JPS5214336A publication Critical patent/JPS5214336A/en
Pending 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:To increase the input impedance of the amplifier circuit be feeding the base bias currents of both the transistors performing differential amlification and thereby reducing their base bias currents drastically.
JP50090234A 1975-07-25 1975-07-25 High input impedance differential amplifier circuit Pending JPS5214336A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50090234A JPS5214336A (en) 1975-07-25 1975-07-25 High input impedance differential amplifier circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50090234A JPS5214336A (en) 1975-07-25 1975-07-25 High input impedance differential amplifier circuit

Publications (1)

Publication Number Publication Date
JPS5214336A true JPS5214336A (en) 1977-02-03

Family

ID=13992788

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50090234A Pending JPS5214336A (en) 1975-07-25 1975-07-25 High input impedance differential amplifier circuit

Country Status (1)

Country Link
JP (1) JPS5214336A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5338712A (en) * 1976-09-14 1978-04-10 Unitika Ltd Production of high-tenacity nylon 6 yarn
JPS548355U (en) * 1977-06-20 1979-01-19
JPS5426342U (en) * 1977-07-25 1979-02-21
JPS5457940A (en) * 1977-10-18 1979-05-10 Toshiba Corp Transistor circuit
JPS6035330U (en) * 1983-08-19 1985-03-11 三洋電機株式会社 tape recorder
JPS6082821U (en) * 1983-11-09 1985-06-08 三洋電機株式会社 Differential amplifier bias circuit
JPH03185110A (en) * 1989-12-15 1991-08-13 Asahi Chem Ind Co Ltd Production of high-tenacity polyhexamethylene adipamide fiber having high fatigue resistance

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5338712A (en) * 1976-09-14 1978-04-10 Unitika Ltd Production of high-tenacity nylon 6 yarn
JPS5537608B2 (en) * 1976-09-14 1980-09-29
JPS548355U (en) * 1977-06-20 1979-01-19
JPS5818334Y2 (en) * 1977-06-20 1983-04-14 パイオニア株式会社 amplifier circuit
JPS5426342U (en) * 1977-07-25 1979-02-21
JPS5619448Y2 (en) * 1977-07-25 1981-05-08
JPS5457940A (en) * 1977-10-18 1979-05-10 Toshiba Corp Transistor circuit
JPS6035330U (en) * 1983-08-19 1985-03-11 三洋電機株式会社 tape recorder
JPS6082821U (en) * 1983-11-09 1985-06-08 三洋電機株式会社 Differential amplifier bias circuit
JPH0115224Y2 (en) * 1983-11-09 1989-05-08
JPH03185110A (en) * 1989-12-15 1991-08-13 Asahi Chem Ind Co Ltd Production of high-tenacity polyhexamethylene adipamide fiber having high fatigue resistance

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