Variable gain and multiplexing in a digital calibration for...

Details Variable gain and multiplexing in a digital calibration for... Variable gain and multiplexing in a digital calibration for...

2006-12-13

2010-10-12

Mai, Lam T (Department: 2819)

Coded data generation or conversion

Converter compensation

C341S120000

Reexamination Certificate

active

07812746

ABSTRACT:
A method and apparatus to provide a variable voltage source for calibrating an analog-to-digital converter (ADC) by efficient decoding of a multiplexer control signal. A multiplexer efficiently decodes the multiplexer control signal to provide a variable calibration source that has a high-accuracy digital control. The multiplexer senses the multiplexer control signal and varies only one of a multiplexer first output and a multiplexer second output for a one-bit change in a least significant bit of the multiplexer control signal. Calibrating the ADC with the variable calibration source increases the accuracy of the ADC.

REFERENCES:
patent: 3651517 (1972-03-01), Kurek et al.
patent: 3982241 (1976-09-01), Lipcon
patent: 5732276 (1998-03-01), Komatsu et al.
patent: 5783977 (1998-07-01), Chethik
patent: 5818370 (1998-10-01), Sooch et al.
patent: 5914638 (1999-06-01), He
patent: 6348886 (2002-02-01), Frank et al.
patent: 6392581 (2002-05-01), Yang
patent: 6525615 (2003-02-01), Masenas et al.
patent: 6580324 (2003-06-01), Palaskas et al.
patent: 6603416 (2003-08-01), Masenas et al.
patent: 6785381 (2004-08-01), Gartner et al.
patent: 6812777 (2004-11-01), Tamura et al.
patent: 6963237 (2005-11-01), Tamura et al.
patent: 7003023 (2006-02-01), Krone et al.
patent: 7012463 (2006-03-01), Nairn
patent: 7046179 (2006-05-01), Taft et al.
patent: 7102555 (2006-09-01), Collins et al.
patent: 7209172 (2007-04-01), Jelley et al.
patent: 7307572 (2007-12-01), Garrity et al.
patent: 7456764 (2008-11-01), Chen
patent: 7466249 (2008-12-01), Chen
patent: 2003/0081706 (2003-05-01), Ciccarelli et al.
patent: 2004/0076360 (2004-04-01), Chen et al.
patent: 2004/0179119 (2004-09-01), Jelley et al.
patent: 2005/0123036 (2005-06-01), Rahman et al.
patent: 2006/0160511 (2006-07-01), Trichy et al.
patent: 2006/0250181 (2006-11-01), Lee et al.
patent: 2007/0132625 (2007-06-01), Chen
patent: 2007/0132627 (2007-06-01), Chen
patent: 2007/0132628 (2007-06-01), Chen
patent: 2007/0146191 (2007-06-01), Iwata et al.
patent: 2007/0152863 (2007-07-01), Le et al.
patent: 2008/0129567 (2008-06-01), Lee et al.
patent: 2009/0058698 (2009-03-01), Chen
patent: 2009/0058699 (2009-03-01), Chen
patent: 2009/0058700 (2009-03-01), Chen

Affiliated with

Also associated with

Rating

Variable gain and multiplexing in a digital calibration for... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Variable gain and multiplexing in a digital calibration for..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable gain and multiplexing in a digital calibration for... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4181185