High ratio current mirror with enhanced power supply rejection r

Details High ratio current mirror with enhanced power supply rejection r High ratio current mirror with enhanced power supply rejection r

1993-08-26

1996-01-16

Stephan, Steven L.

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

323312, G05F 316

Patent

active

054850746

ABSTRACT:
The PSRR (power supply rejection ratio) of a current mirror circuit is increased by cascoding the output transistor of the current mirror, and the precision of the circuit is enhanced by employing a frequency compensated gain stage utilizing a field effect transistor to drive a bipolar current output transistor.

REFERENCES:
patent: 3925718 (1975-12-01), Wittlinger
patent: 4103249 (1978-07-01), Burdick
patent: 4234841 (1980-11-01), Schade, Jr.
patent: 4287439 (1981-09-01), Lreuschner
patent: 5027004 (1991-06-01), Palara
patent: 5227714 (1993-07-01), Lou
IEEE Journal of Solid-State Circuits, Dec. 1975, pp. 502-503.

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