Cascode current mirror with amplifier

Details Cascode current mirror with amplifier Cascode current mirror with amplifier

1999-08-20

2000-09-26

Riley, Shawn

Electricity: power supply or regulation systems

Self-regulating

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

G05F 316

Patent

active

061247057

ABSTRACT:
A cascode current mirror for use as a biasing element or as a load device for amplifier stages in which the output resistance is increased so as to produce a substantially lower change in output current as supply voltages vary. The cascode current mirror incorporates an amplifier connected to provide negative feedback on the output cascode transistors in boosting the output resistance by a factor equal to the amplifier gain.

REFERENCES:
patent: 4849684 (1989-07-01), Sonntag et al.
patent: 5422563 (1995-06-01), Pflueger

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