Semiconductor circuit for performing signal processing

Details Semiconductor circuit for performing signal processing Semiconductor circuit for performing signal processing

2009-03-12

2011-11-22

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

C327S147000, C327S164000, C327S237000, C327S291000, C327S292000, C326S093000, C326S094000

Reexamination Certificate

active

08063682

ABSTRACT:
A first signal processor performs predetermined signal processing on an input signal to provide a change to at least one of the characteristic values thereof. A second signal processor is provided in the subsequent stage of the first signal processor and performs predetermined signal processing on an output signal from the first signal processor to provide a change to a characteristic value thereof. An amount of change provided to the characteristic value of the signal by the second signal processor is dependent on a power supply voltage. An amount of change provided to the characteristic value of the signal by the first signal processor is configured to be adjustable. A control circuit monitors a power supply voltage supplied to the second signal processor and adjusts in accordance with the power supply voltage the amount of change provided to the characteristic value of the signal by the first signal processor.

REFERENCES:
patent: 6906554 (2005-06-01), Chen
patent: 2008/0056716 (2008-03-01), Fujikawa

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