Distortion compensation for a pulsewidth-modulated circuit

Details Distortion compensation for a pulsewidth-modulated circuit Distortion compensation for a pulsewidth-modulated circuit

1993-08-09

1995-08-01

Urban, Edward F.

Telecommunications

Receiver or analog modulated signal frequency converter

With particular receiver circuit

330 10, 330251, 455312, H03F 338

Patent

active

054386942

ABSTRACT:
Pulsewidth-modulated amplifier (100) includes a controller (102) which provides for a set of compensated signals (114, 158 and 160). The compensated signals are used for driving a speaker (136). Controller (100) includes a storage area for storing distortion characteristics for the amplifier for a predetermined operational frequency range. The compensated drive signals (114, 158 and 160) help compensate for the electrical non-linear distortions that occur in amplifier (100) and thereby help reduce the output distortion of amplifier (100).

REFERENCES:
patent: 4427952 (1984-01-01), Zumsteg
patent: 4454483 (1984-06-01), Baylor
patent: 4628529 (1986-12-01), Borth et al.
patent: 4630305 (1986-12-01), Borth et al.
patent: 4949048 (1990-08-01), Tokumo et al.
patent: 4967165 (1990-10-01), Lee et al.
patent: 5115205 (1992-05-01), Holmes, Jr.
patent: 5126684 (1992-06-01), Solomon

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