Quasi-linear amplifier with feedback-controlled idling currents

Details Quasi-linear amplifier with feedback-controlled idling currents Quasi-linear amplifier with feedback-controlled idling currents

1978-12-26

1980-09-02

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330271, 330273, H03F 330

Patent

active

042209307

ABSTRACT:
A quasi-linear amplifier, wherein each of first and second current dividers maintains a constant ratio between drive currents to respective output transistor means and dummy output transistor means, uses regulation of the quiescent drive currents to the dummy output transistors to establish the quiescent drive currents to the output transistors. The quiescent drive currents to the output transistors are maintained at levels conditioning these transistors for Class AB amplification of signal currents.

REFERENCES:
patent: 3124757 (1964-03-01), Heiser
patent: 3886466 (1975-05-01), Wheatley
patent: 3887880 (1975-06-01), Leidich

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