Gain stage control method and related control circuit

Amplifiers – With semiconductor amplifying device – Including gain control means

Reexamination Certificate

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Details

C330S296000

Reexamination Certificate

active

11048200

ABSTRACT:
A gain stage control method may include providing a control current signal; generating a regulation current signal connected to the control current signal; transforming the regulation current signal into a biasing current, proportional to the regulation current signal; and biasing the gain stage by using the biasing current. The biasing current may be related to the control current signal by an exponential law.

REFERENCES:
patent: 4413235 (1983-11-01), Jason
patent: 6791418 (2004-09-01), Luo et al.
patent: 6806775 (2004-10-01), Abe

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