DE3278005D1 - Dual polarity switchable operational amplifier circuit - Google Patents

Dual polarity switchable operational amplifier circuit

Info

Publication number
DE3278005D1
DE3278005D1 DE8282301599T DE3278005T DE3278005D1 DE 3278005 D1 DE3278005 D1 DE 3278005D1 DE 8282301599 T DE8282301599 T DE 8282301599T DE 3278005 T DE3278005 T DE 3278005T DE 3278005 D1 DE3278005 D1 DE 3278005D1
Authority
DE
Germany
Prior art keywords
amplifier
inputs
pair
polarity
operational amplifier
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.)
Expired
Application number
DE8282301599T
Other languages
English (en)
Inventor
Terence George Cole
Colin Smith
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3278005D1 publication Critical patent/DE3278005D1/de
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
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
DE8282301599T 1982-03-26 1982-03-26 Dual polarity switchable operational amplifier circuit Expired DE3278005D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19820301599 EP0090104B1 (de) 1982-03-26 1982-03-26 Operationelle Verstärkerschaltung zur Umschaltung der Polarität eines Eingangssignals

Publications (1)

Publication Number Publication Date
DE3278005D1 true DE3278005D1 (en) 1988-02-18

Family

ID=8189621

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282301599T Expired DE3278005D1 (en) 1982-03-26 1982-03-26 Dual polarity switchable operational amplifier circuit

Country Status (3)

Country Link
EP (1) EP0090104B1 (de)
JP (1) JPS58172006A (de)
DE (1) DE3278005D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3038952B2 (ja) * 1991-03-15 2000-05-08 日本電気株式会社 増幅回路
US5136255A (en) * 1991-06-28 1992-08-04 Texas Instruments Incorporated Amplifier circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3452289A (en) * 1967-02-16 1969-06-24 Motorola Inc Differential amplifier circuits
DE1280306B (de) * 1967-10-24 1968-10-17 Boelkow Gmbh Elektronische Schaltanordnung zur Umschaltung der Polaritaet einer Eingangsspannung
FR2148774A5 (de) * 1971-08-03 1973-03-23 Sescosem
JPS59171B2 (ja) * 1977-11-30 1984-01-05 株式会社日立製作所 電子切替回路

Also Published As

Publication number Publication date
EP0090104A1 (de) 1983-10-05
JPS58172006A (ja) 1983-10-08
EP0090104B1 (de) 1988-01-13
JPS645489B2 (de) 1989-01-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee