Digital to analog converting apparatus

Details Digital to analog converting apparatus Digital to analog converting apparatus

1984-02-13

1985-10-15

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

H03K 1302

Patent

active

045477620

ABSTRACT:
A digital to analog converting apparatus is disclosed, which converts an analog output voltage into a digital value and compares the digital value with a digital input value, and corrects the analog output voltage according to the result of the comparison. The apparatus includes a current source for supplying current according to the result of the comparison and a capacitor which is charged and discharged by the current from the current source. The output voltage of the capacitor is provided as the analog output voltage.

REFERENCES:
patent: 2855540 (1958-10-01), Hoover et al.
patent: 3252045 (1966-05-01), Griffin
patent: 3258765 (1966-06-01), Battjes
patent: 3518658 (1970-06-01), Black
patent: 3523229 (1970-08-01), Black
patent: 4023122 (1977-05-01), Oura
patent: 4225825 (1980-09-01), Watts
"ICIREPAT System 03 A-D Converters Manual", Mar. 1970, pp. 27-28.
Data Acquisition Products Catalog, 1978, by Analog Devices, Inc., pp. 271-275.

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