A redefinition of the role of the line amplifier and power amplifier is forwarded as a more optimum construction for both minimising power supply related error signals and improving system transparency, within an economic framework. A methodology offering a quasi-bridge and a symmetric, differential bridge structure incorporating floating supplies (pontoon amplifier) complements this new proposal, and a novel topology using error-feedback location of the floating supplies is presented.

Author: Hawksford, Malcolm J.
Affiliation: University of Essex, Department of Electrical Engineering Science, Colchester, Essex, UK
AES Convention: 78 (May 1985) Paper Number: 2247
Publication Date: May 1, 1985
Subject: Measurement and Instrumentation

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