Digital-to-analog converter having common adjustment means

Details Digital-to-analog converter having common adjustment means Digital-to-analog converter having common adjustment means

1988-01-13

1991-01-01

Shoop, Jr., William M.

Coded data generation or conversion

Analog to or from digital conversion

Bipolar

341135, H03M 100

Patent

active

049821920

ABSTRACT:
A digital-to-analog converter which includes a digital-to-analog conversion circuit of the current output type, a current-to-voltage conversion circuit receptive of an analog current produced form the digital-to-analog conversion circuit in correspondence to an input digital signal value, for converting the analog current to a voltage and producing it at the output thereof in an output stage of the converter, a first drive circuit for driving the digital-to-analog conversion circuit with constant current, and a second drive circuit which is controlled by the first drive circuit to drive the current-to-voltage conversion circuit with constant current, thereby it being made possible to arrange a plurality of digital-to-analog converters in a simple structure.

REFERENCES:
patent: 4431986 (1984-02-01), Haque
patent: 4488144 (1984-12-01), Wollman
patent: 4539552 (1985-09-01), Davis
patent: 4595912 (1986-06-01), Hoehn
patent: 4607249 (1986-08-01), Naylor
patent: 4891645 (1990-01-01), Lewis et al.
Tatro "Electronics" Jul. 25, 1974 pp. 89-93.

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