Data converters with digitally filtered pulse width...

Details Data converters with digitally filtered pulse width... Data converters with digitally filtered pulse width...

Filed on

2005-11-22

Date issued

2005-11-22

Examiner

Young, Brian (Department: 2819)

Patent Class

Coded data generation or conversion

SubClass

Analog to or from digital conversion

SubSubClass

Differential encoder and/or decoder

Other Related Categories

C341S144000

Type

Reexamination Certificate

Status

active

Patent number

06967607

Description

ABSTRACT:
A digital to analog converter including a noise shaping modulator for modulating an input digital data stream, a plurality of output elements for generating a plurality of intermediate data streams from a modulated output stream from the modulator, and an output summer for summing the intermediate data streams to generate an output analog stream. The noise shaping modulator balances an edge transition rate of the output elements, such that the edge transition rate of two selected elements is approximately equal.

REFERENCES:
patent: 4686490 (1987-08-01), Cressey
patent: 6414613 (2002-07-01), Midya et al.

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