Low distortion linear amplifier with high-level output

Details Low distortion linear amplifier with high-level output Low distortion linear amplifier with high-level output

1989-03-27

1990-06-19

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330266, 330267, H03F 326

Patent

active

049357042

ABSTRACT:
An improved direct-coupled transistor amplifier circuit includes a pair of complementary conductivity type output transistors that are quiescently biased to slightly conductive state to provide low distortion amplification and temperature stabilized operating conditions. A pair of complementary conductivity type input transistors receive bias current having a value that is substantially matched to the change with temperature of base-emitter voltage of an input transistor divided by the value of a resistor connecting the emitter of the input transistor to receive the bias current.

REFERENCES:
patent: 4502020 (1985-02-01), Nelson et al.
patent: 4814723 (1989-03-01), Botti
patent: 4827223 (1989-05-01), Gross

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