High temperature current mirror amplifier

Details High temperature current mirror amplifier High temperature current mirror amplifier

1982-02-23

1984-05-22

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including current mirror amplifier

330289, H03F 310

Patent

active

044504144

ABSTRACT:
A high temperature current mirror amplifier having biasing means in the transdiode connection of the input transistor for producing a voltage to maintain the base-collector junction reversed-biased and a current means for maintaining a current through the biasing means at high temperatures so that the base-collector junction of the input transistor remained reversed-biased. For accuracy, a second current mirror is provided with a biasing means and current means on the input leg.

REFERENCES:
patent: 3629691 (1971-12-01), Wheatley
patent: 4028564 (1977-06-01), Streit et al.
patent: 4034307 (1977-07-01), Schade, Jr.
patent: 4119924 (1978-10-01), Ahmed
Hellwarth, G. A., and Jaeger, R. C., "Ultrahigh Resistance Current Source and Differential Cascade Amplifier Application" IBM Tech. Dis. Bull., vol. 16, No. 7, Dec. 1973.
RCA Technical Notes, "Leakage Current Compensation in Current Mirror Amplifier Circuitry" by Jack Avins, pp. 1-6.

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