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Development criteria and benefits of a quartz controlled system operating in Class AD are discussed with practical results from 150 W per channel units. These show it is possible to meet very stringent linearity, TID, and wide open loop power bandwidth requirements while maintaining 100 dB switching ripple rejection at the load terminals. Subjective performance is also carefully considered.
Author (s): Attwood, Brian E.;
Affiliation:
PMW Systems, Horsham, England
(See document for exact affiliation information.)
AES Convention: 59
Paper Number:1331
Publication Date:
1978-02-06
DOI:
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Attwood, Brian E.; 1978; Very High Fidelity Quartz Controlled PWM (Class D) Stereo Amplifiers for Consumer and Professional Use [PDF]; PMW Systems, Horsham, England; Paper 1331; Available from: https://aes.org/publications/elibrary-page/?id=3023
Attwood, Brian E.; Very High Fidelity Quartz Controlled PWM (Class D) Stereo Amplifiers for Consumer and Professional Use [PDF]; PMW Systems, Horsham, England; Paper 1331; 1978 Available: https://aes.org/publications/elibrary-page/?id=3023
@inproceedings{Attwood1978very,
title={{Very High Fidelity Quartz Controlled PWM (Class D) Stereo Amplifiers for Consumer and Professional Use}},
author={Attwood, Brian E.},
year={1978},
month={feb},
booktitle={Journal of the Audio Engineering Society},
publisher={Paper 1331; AES Convention 59; February 1978},
number={1331},
organization={AES},
}
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