Integrated circuit amplifier arrangements

Details Integrated circuit amplifier arrangements Integrated circuit amplifier arrangements

1994-02-02

1995-08-08

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330310, H03F 345

Patent

active

054402719

ABSTRACT:
In a differential amplifier having a pair of emitter follower outputs, power saving is obtained by switching the pull-down currents so that the emitter followers have to provide current to drive the load only in the on direction. The preceding stage is a cascode stage, so that the switching signals for switching the pull-down currents may be derived from the emitter circuits of the cascode stage output transistors.

REFERENCES:
patent: 3843934 (1974-10-01), Giles
patent: 4479094 (1984-10-01), Harris

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