D/A converter with a Gamma correction circuit

Details D/A converter with a Gamma correction circuit D/A converter with a Gamma correction circuit

1997-12-15

1999-03-02

Williams, Howard L.

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

341145, 341138, 341154, H03M 188

Patent

active

058777172

ABSTRACT:
A D/A converter with a Gamma correction circuit according to the invention is designed for C-DAC which takes up much less space than the conventional R-DAC and 2-divided C-DAC. Therefore, this D/A converter has advantages of simple design and low cost. Furthermore, users can freely define the shape of a Gamma correction conversion curve to thereby widen application areas by adjusting terminal voltages.

REFERENCES:
patent: 5724036 (1998-03-01), Kobayashi et al.
patent: 5739805 (1998-04-01), Dingwall
patent: 5764216 (1998-06-01), Tanaka et al.

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