Amplifier with current gain inversely proportional to transistor

Details Amplifier with current gain inversely proportional to transistor Amplifier with current gain inversely proportional to transistor

1975-11-19

1977-01-18

Rolinec, R. V.

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

323 4, 330 17, 330 19, 330 28, H03F 304

Patent

active

040042430

ABSTRACT:
A first transistor of a first conductivity type connected as a common-base amplifier in the collector-to-base feedback connection of a second transistor of a second conductivity type, complementary to the first conductivity type, exchanges base current with a third transistor of the second conductivity type. The collector current of the third transistor is proportional to that of the second transistor by a factor substantially equal to 1/h.sub.fe, where h.sub.fe is the common-emitter forward current gain of the first transistor.

REFERENCES:
patent: 3611170 (1971-10-01), Wheatley, Jr.

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