Push-pull amplifier circuit

Details Push-pull amplifier circuit Push-pull amplifier circuit

1979-02-15

1981-03-03

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330264, 330265, H03F 330

Patent

active

042543797

ABSTRACT:
A push-pull amplifier circuit comprises first and second output transistors whose emitters are commonly connected respectively through resistors to an output point, together with base biasing circuits connected between the bases of the first and second output transistors, to perform push-pull operation. The base biasing circuits comprise first and second current detecting elements for detecting the currents of the first and second output transistors, first and second variable bias generators controlled by the first and second current detecting element and reference bias generators. The operations of the first and second output transistors are effected in the active regions at all times.

REFERENCES:
patent: 3995228 (1976-11-01), Pass
patent: 4121168 (1978-10-01), Stitt

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