Low power buffer amplifier

Details Low power buffer amplifier Low power buffer amplifier

1987-11-16

1989-02-07

Wan, Gene

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330296, H03F 326

Patent

active

048034428

ABSTRACT:
A current amplifier is provided with three active transistors of the same polarity type, which function to amplify the input signal at a wide range of frequencies, with low power consumption and low or no output crossover distortion. One transistor, in cooperation with the second transistor, significantly amplifies the current during one swing of the input singal while the third transistor is switched off, and switches on the third transistor just prior to a reversal of the input signal swing. By the proper and immediate biasing of the third transistor according to the circuit needs, low power consumption as well as low or zero output crossover distortion is achieved.

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