Continuous time sigma-delta A/D converter and electrical...

Details Continuous time sigma-delta A/D converter and electrical... Continuous time sigma-delta A/D converter and electrical...

2009-10-30

2011-10-25

Pierre, Peguy Jean (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Differential encoder and/or decoder

C341S155000

Reexamination Certificate

active

08044836

ABSTRACT:
A continuous time sigma-delta analog-to-digital converter comprising: a summator of an input analog signal and a feedback signal; a feed-forward integrator path connected to the summator and configured to provide a digital signal; a feedback digital-to-analog converter to convert the digital signal into a feedback analog signal; a feedback low pass filter structured to filter the feedback analog signal and provide the feedback signal to the summator.

REFERENCES:
patent: 6441767 (2002-08-01), Frazier
patent: 6781533 (2004-08-01), Yap et al.
patent: 7376400 (2008-05-01), Bellaouar et al.
patent: 7439885 (2008-10-01), Jensen
patent: 2007/0040718 (2007-02-01), Lee
patent: 2007/0216562 (2007-09-01), Teo et al.
patent: 2009/0325632 (2009-12-01), Gambini et al.

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