Current-mirror arrangement

Details Current-mirror arrangement Current-mirror arrangement

1987-02-03

1988-10-18

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including current mirror amplifier

323316, H03F 304

Patent

active

047790610

ABSTRACT:
A current-mirror arrangement comprising a first and a second transistor (3, 4). The base and the collector of the first PNP transistor (3) and the base of the second PNP transistor are all coupled to a junction point (1) to receive an input current (Ye). The output current (Ya) is available at the collector of the second PNP transistor (4). The arrangement comprises a compensation circuit (2) which supplies a compensation current to the junction point (1) which is substantially equal to the sum of the base currents of the first and second transistors.

REFERENCES:
patent: 4525682 (1985-06-01), Lai et al.
IBM Technical Disclosure Bulletin, vol. 28, No. 3, Aug. 1985, pp. 1186-1187.

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