Power amplifier

Details Power amplifier Power amplifier

1979-01-08

1980-06-03

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330156, 330265, 330297, H03F 321

Patent

active

042064198

ABSTRACT:
A power amplifier comprises: a complementary symmetry push-pull circuit formed with two complementary transistors mutually coupled at their emitters and having an operating point for Class-A mode operation; a floating power supply having a neutral terminal serving as the output terminal of the power amplifier, a positive and a negative terminal connected respectively to the collectors of the respective transistors; a bootstrapping circuit for driving the mutually coupled emitters in proportion to the potential at the output terminal; and a circuit for negative feedback of signal from the output terminal to the bases of the transistors.

REFERENCES:
patent: 4115739 (1978-09-01), Sano et al.

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