Digital-to-analog converter in which an analog output of low ord

Details Digital-to-analog converter in which an analog output of low ord Digital-to-analog converter in which an analog output of low ord

1998-10-08

2000-12-19

Tokar, Michael

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

341154, H03M 166

Patent

active

061632880

ABSTRACT:
A digital-to-analog converter has a first digital-to-analog converter for M bits, for receiving M high order bits of input data of N bits, and then outputting a predetermined analog output, and a second digital-to-analog converter for (N-M) bits, for receiving (N-M) low order bits of the input data, and then outputting a predetermined analog output. An attenuator attenuates the analog output of the second digital-to-analog converter to 1/2.sup.M. An analog operating circuit adds the analog output of the first digital-to-analog converter and the attenuated analog output of the second digital-to-analog converter, and outputs an analog output as a result of addition of those analog outputs.

REFERENCES:
patent: 4973979 (1990-11-01), Ikeda
patent: 5534863 (1996-07-01), Everitt et al.

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