DA converter

Details DA converter DA converter

1985-07-08

1988-06-21

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

H03M 166

Patent

active

047527676

ABSTRACT:
The present invention provides a DA converter of the type wherein a group of switch circuits are controlled in response to input digital signals and a plurality of constant current sources are driven in response to on and off of the switch circuits to convert the input digital signals into analogue signals, the DA converter comprising a plurality of lineages of digital input circuits for controlling the switch circuits, whereby digital signals inputted to the input circuits are changed over in order for each lineage to DA convert them.

REFERENCES:
patent: 3588880 (1971-06-01), Gross
patent: 3646549 (1972-02-01), Bryden
patent: 3979561 (1976-09-01), Hinkle
patent: 4016555 (1977-04-01), Tyrrel
Evans, "IBM Technical Disclosure Bulletin", vol. 24, No. 1A, Jun. 1981, pp. 227-228.

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