The process of uniformly sampled PWM is investigated as a means of high-performance digital-to-analog conversion where comparisons of duality are made with signals in standard PCM format. Emphasis is placed on using linearization algorithms to suppress nonlinear distortion products, and a new DAC architecture is proposed that employs digital linearization together with a multiwidth and multiamplitude signal format configured within a current steering, autocalibration system topology.
Author:
Hawksford, Malcolm J.
Affiliation:
University of Essex, Colchester, UK
AES Convention:
97 (November 1994)
Paper Number:
3908
Publication Date:
November 1, 1994
Subject:
DSP—Analog to Digital, Digital to Analog
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