Push-pull amplifier

Details Push-pull amplifier Push-pull amplifier

1978-12-07

1980-07-29

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330274, H03F 321

Patent

active

042153182

ABSTRACT:
A push-pull amplifier having a pair of output transistors and a pair of emitter coupled resistors, one terminal of each resistor coupled to an emitter of a respective transistor and the other terminals being commonly connected to an output point. A comparison circuit is employed for comparing the voltages across each of the emitter resistors with a predetermined voltage. A bias circuit is connected in series between the bases of the output transistors and a short circuit controlled by the output of the comparison circuit selectively shorts a resistor element in the bias circuit.

REFERENCES:
patent: 3495181 (1970-02-01), Reiffin
patent: 4077013 (1978-02-01), Morez et al.

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