Low bias current amplifier

Amplifiers – With semiconductor amplifying device – Including push-pull amplifier

Reexamination Certificate

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Details

C330S277000

Reexamination Certificate

active

07948316

ABSTRACT:
An amplifier is provided that includes an output portion that sources and sinks current associated with an output load and an amplification portion that is biased by a relatively small bias current with respect to an output current of the amplifier. The amplification portion provides an amplified output signal to the output portion. The amplifier further comprises at least one impedance component coupled between the output portion and the amplification portion to alter at least one pole associated with the amplifier to mitigate instability of the amplifier related to the relatively small bias current.

REFERENCES:
patent: 4335358 (1982-06-01), Hoeft

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