Digitally controlled gain stage having an analogue control...

Details Digitally controlled gain stage having an analogue control... Digitally controlled gain stage having an analogue control...

2008-01-29

2008-01-29

Lam, Tuan T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C327S318000, C327S324000, C330S129000, C330S131000, C330S279000

Reexamination Certificate

active

07323922

ABSTRACT:
A signal processing system has a first, digitally controlled, gain element, a second, analogue controlled, gain element and a gain control unit configured to receive a gain request signal and to generate a first gain control signal to be input to the first gain element and a second gain control signal to be input to the second gain element such that the gain provided by the signal processing system corresponds to the gain request signal.

REFERENCES:
patent: 5001430 (1991-03-01), Peterman et al.
patent: 5606625 (1997-02-01), Dallavalle et al.
patent: 6054896 (2000-04-01), Wright et al.
patent: 6057732 (2000-05-01), Morishita
patent: 6798844 (2004-09-01), Ratto
patent: 6873668 (2005-03-01), Yamamoto et al.
patent: 2005/0012551 (2005-01-01), Deem et al.

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