Isolated multi-output power amplifier

Details Isolated multi-output power amplifier Isolated multi-output power amplifier

1993-12-20

1995-03-21

Mullins, James B.

Amplifiers

Signal feedback

Plural amplifier channels

330 85, 330124R, 330148, 330295, 381 99, 381121, H03F 308

Patent

active

053999860

ABSTRACT:
A multi-output power amplifier is disclosed. The amplifier is divided into two stages. A single voltage amplifier is used as an input amplifying stage and several current amplifiers are used as a second amplifying stage. The inputs to the current amplifiers share a common connection to the output of the voltage amplifier and feedback is provided from the current amplifier outputs to the voltage amplifier input.

REFERENCES:
patent: 3745477 (1973-07-01), Freeborn
patent: 4081759 (1978-03-01), Yen
patent: 4146845 (1979-03-01), Lunquist
patent: 4287491 (1981-09-01), Scholz
patent: 4340778 (1982-07-01), Cowans et al.
patent: 4367442 (1983-01-01), Tanaka et al.
patent: 4786878 (1988-11-01), Botti
patent: 4991221 (1991-02-01), Rush
Takahashi et al, "Fully Balanced Bridge Amplifier" J. Audio Eng. Soc., vol 32, No. 6, Jun. 1984, pp. 415-421.

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