Double digital-to-analog converter

Details Double digital-to-analog converter Double digital-to-analog converter

1978-12-11

1980-04-15

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

340347AD, H03K 1302

Patent

active

041986229

ABSTRACT:
Two digital-to-analog converters are coupled in series across a reference potential source. Each converter includes a resistor ladder and switching tree that permits coupling the output to any single tap on the ladder. A digital word is split into two portions, each one of which operates one switching tree. The converters are weighted in accordance with the word bits applied. The switching tree outputs are combined to produce an analog output related to the reference potential and the digital word.

REFERENCES:
patent: 3183360 (1965-05-01), Van Santen

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