Signal level adjusting apparatus, gain value updating...

Details Signal level adjusting apparatus, gain value updating... Signal level adjusting apparatus, gain value updating...

2007-10-02

2007-10-02

Pascal, Robert (Department: 2817)

Amplifiers

With control of power supply or bias voltage

With control of input electrode or gain control electrode bias

C330S279000

Reexamination Certificate

active

11173487

ABSTRACT:
A signal level adjusting apparatus comprises an amplifier that amplifies an input signal with a gain of a first gain value and outputs an amplified signal; a gain calculator that obtains a second gain value according to a signal level of the input signal; and a gain updater that updates the first gain value stepwise such that the first gain value approaches the second gain value by steps corresponding to an error between the first gain value and the second gain value.

REFERENCES:
patent: 6433633 (2002-08-01), Hellum
patent: 6597898 (2003-07-01), Iwata et al.
patent: 2003-046353 (2003-02-01), None

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