Push-pull amplifier circuit

Details Push-pull amplifier circuit Push-pull amplifier circuit

1981-01-22

1982-12-28

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330273, H03F 326

Patent

active

043664474

ABSTRACT:
A push-pull amplifier circuit which is fully compensated for shortages in bias at times of high power output and in which the transistors are always maintained in their active regions. The circuit includes at least one pair of output transistors coupled in a push-pull circuit arrangement. A variable bias generating circuit controls the bias voltages applied to the bases of the output transistors according to the currents flowing in the output transistors to cause the output transistors to operate in their active regions. A circuit applies the voltage variation components at supply terminals from which current is applied to the output transistors to the variable bias generating circuit to compensate for shortages in bias during times of high power output.

REFERENCES:
patent: 4306199 (1981-12-01), Kondou

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