Equalization of base current flow in two interconnected transist

Details Equalization of base current flow in two interconnected transist Equalization of base current flow in two interconnected transist

1976-02-19

1976-10-19

Segal, Robert

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

330 22, 330 69, H03F 368

Patent

active

039873684

ABSTRACT:
An input terminal of two differential amplifiers, one employing PNP transistors and the other NPN transistors having a different gain (beta) than the PNP transistors, connect in common to a terminal of a signal source. The operating currents to these amplifiers are maintained at different levels such that the base current flowing into the input terminal of one amplifier in its balanced condition is equal to that flowing from the input terminal of the other amplifier in its balanced condition.

REFERENCES:
patent: 3745477 (1973-07-01), Freeborn
parmer, H. W. -- "Two Easy Ways to Stabilize Power Transistor Hi-Fi Amplifiers" Electronics pp. 56-58, Oct. 1962.

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