Switchable precision current source

Details Switchable precision current source Switchable precision current source

1982-06-21

1983-12-27

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

307255, 307297, 315208, H03K 1760

Patent

active

044233574

ABSTRACT:
Three-transistor, four-terminal precision current source is switchable. Current is passed between two of the terminals in the presence of a switching signal on another terminal. While switched on, the current is regulated according to a reference voltage supplied to the remaining terminal.

REFERENCES:
patent: Re29619 (1978-04-01), Pastoriza
patent: 3562557 (1971-02-01), Gates
patent: 3626211 (1971-12-01), Formeister
patent: 3787734 (1974-01-01), Dorler et al.
patent: 4118712 (1978-10-01), Kawasaki
patent: 4277696 (1981-07-01), Tokunaga et al.
patent: 4282478 (1981-08-01), Leidich

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