A bridge amplifier with balanced differential inputs, balanced outputs, and a floating power supply for the final stages is described. Like a transformer, its output stage operates independent of ground, but with a much wider frequency range and lower total harmonic distortion. The amplifier is composed of a single amplifier with two feedback loops. Two output stages are driven simultaneously in a push-pull manner by means of a symmetrical and complementary differential circuit.

Authors: Takahashi, Susumu; Tanaka, Susumu
Affiliation: Sansui Electric Co., Ltd., Tokyo, Japan
JAES Volume 32 Issue 6 pp. 415-421; June 1984
Publication Date: June 1, 1984 Import into BibTeX
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=4498

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