Patent 7312738 was granted and assigned to Texas Instruments on December, 2007 by the United States Patent and Trademark Office.
A sigma delta signal treating apparatus includes: (a) a low pass filtered signal path including at least one low pass filter; and (b) a quantization noise filtered signal path coupled with the low pass filtered signal path; the quantization noise filtered signal path including at least one high pass filter and at least one feedback notch filter.