Device for limiting the output current of an operational amplifi

Details Device for limiting the output current of an operational amplifi Device for limiting the output current of an operational amplifi

1996-11-05

1999-03-02

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including protection means

330207P, 330255, H03F 345

Patent

active

058776559

ABSTRACT:
A device for limiting the output current of an operational amplifier of the type including an output stage having an output transistor, including circuitry for limiting the biasing current of a differential input stage of the operational amplifier to a value determined by a measurement resistor connected between the output transistor and an output terminal of the operational amplifier.

REFERENCES:
patent: 3896393 (1975-07-01), Cave et al.
patent: 3996498 (1976-12-01), Schade, Jr.
patent: 4063185 (1977-12-01), Kojima et al.
patent: 4199797 (1980-04-01), Kusumi
patent: 4322690 (1982-03-01), Laupman
patent: 4471323 (1984-09-01), Trilling
patent: 4503478 (1985-03-01), Seki et al.
patent: 4821000 (1989-04-01), Imanishi
patent: 5384549 (1995-01-01), Araki
French Search Report from French Patent Application No. 95 13687, filed Nov. 14, 1995.

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