Digital to analog converter with binary and binary coded decimal

Details Digital to analog converter with binary and binary coded decimal Digital to analog converter with binary and binary coded decimal

1977-02-14

1978-10-03

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

H03K 1305

Patent

active

041186990

ABSTRACT:
A digital to analog converter with bit circuits arranged in binary order, in which a supplemental current circuit is added to selected bit circuits to enable convenient and efficient conversion from binary to BCD operation. Supplemental BCD currents are controlled by a bias circuit which automatically increases the BCD bit circuit bias to a level at which the full-scale BCD output current is substantially equal to the full-scale binary output current.

REFERENCES:
patent: RE28633 (1975-11-01), Pastoriza
patent: 3019426 (1962-01-01), Gilbert
Henry "EDN", Aug. 5, 1973, pp. 70-73, V18N15.

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