Digital-to-analog/analog-to-digital dual mode circuit

Details Digital-to-analog/analog-to-digital dual mode circuit Digital-to-analog/analog-to-digital dual mode circuit

1983-08-26

1986-09-02

Shaw, Clifford C.

Communications: electrical

Audible indication

Percussion-type sound producer

340347AD, 340347DA, H03K 1302

Patent

active

046099069

ABSTRACT:
A circuit operable in two modes alternatively to provide a digital-to-analog converter capability and an analog-to-digital converter capability is disclosed utilizing a single digital multiplexer at a digital input and two analog multiplexers to control signal path routing. A track-and-hold circuit is utilized in the analog-to-digital configuration as a sample-and-hold, and alternatively in the digital-to-analog configuration as an operational amplifier.

REFERENCES:
patent: 3906488 (1975-09-01), Suarez-Gartner
patent: 4348768 (1982-09-01), Svala
"Generate Four Outputs Sequentially with One DAC/ADC Circuit"; Electronic Design News, Aug. 18, 1982, pp. 133-134.

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