Parallel sigma delta modulator

Details Parallel sigma delta modulator Parallel sigma delta modulator

1997-11-03

2000-08-22

Williams, Howard L.

Coded data generation or conversion

Analog to or from digital conversion

Differential encoder and/or decoder

341200, H03M 300

Patent

active

061079472

ABSTRACT:
In a Sigma Delta converter, a succession of input signal samples are processed in an iterative manner to provide a succession of output signals and feedback signals, which are matched to the input signal samples over a specified frequency range. Two or more successive iterations are carried out in parallel so as to provide a sequence of independent outputs available in parallel. This provision of parallel outputs facilitates an overall increase in the speed of operation of the converter, which is otherwise limited by the maximum available rate of clocking of the converter's filters.

REFERENCES:
patent: 5406283 (1995-04-01), Leung
patent: 5598159 (1997-01-01), Hein
patent: 5682161 (1997-10-01), Ribner et al.
patent: 5757300 (1998-05-01), Koilpillai et al.

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