Self-configurable, dual bridge, power amplifier

Details Self-configurable, dual bridge, power amplifier Self-configurable, dual bridge, power amplifier

1994-08-05

1995-08-22

Mullins, James B.

Amplifiers

Combined with automatic amplifier disabling switch means

330124R, 330146, 330295, H03F 368

Patent

active

054444179

ABSTRACT:
A self-configurable, dual bridge, power amplifier has a window comparator to sense amplifier signals and control a plurality of configuring switches capable of configuring the amplifier either as a single bridge amplifier driving two loads connected in series or as two distinct bridge amplifiers each driving one of the two loads. When the two amplifier signals remain within a range defined by a negative voltage reference and a positive voltage reference, the amplifier is configured as a single bridge driving the two loads in series, thus reducing power dissipation. Several embodiments of the invention are shown.

REFERENCES:
patent: 3944941 (1976-03-01), Tsuda
patent: 4494077 (1985-01-01), Fukaya
patent: 5101170 (1992-03-01), Torazzina et al.
patent: 5194821 (1993-03-01), Brambilla et al.

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