Signal processing device, use of the signal processing...

Details Signal processing device, use of the signal processing... Signal processing device, use of the signal processing...

2007-07-10

2007-07-10

Tsai, Carol S. W. (Department: 2857)

Data processing: measuring, calibrating, or testing

Calibration or correction system

Signal frequency or phase correction

C455S102000, C455S110000, C455S114300, C375S216000, C375S296000, C375S324000, C375S297000, C370S206000

Reexamination Certificate

active

11354690

ABSTRACT:
A signal processing device is provided that includes a modulation unit that produces an amplitude element as well as a phase element from components that are applied thereto. A correction device is also provided, in which at least one of the components is supplied and is compared with an ideal nominal value. This is used to produce a correction factor, which is multiplied by the component which has been compared with the nominal value. The correction factor determined is used to correct any offset or distortion of the components produced by analog circuits.

REFERENCES:
patent: 5598436 (1997-01-01), Brajal et al.
patent: 7061990 (2006-06-01), Wright et al.
patent: 2003/0058960 (2003-03-01), Lee
patent: 2004/0208157 (2004-10-01), Sander et al.
patent: 2004/0219891 (2004-11-01), Hadjichristos

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