Digital-to-analog converter

Details Digital-to-analog converter Digital-to-analog converter

1982-04-26

1985-04-09

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

357 92, H03K 1302

Patent

active

045104867

ABSTRACT:
A digital-to-analog converter is disclosed which has a plurality of integrated injector logic (I.sup.2 L) stages each of which receives a single bit of an input digital signal. The output or inverter transistor of each I.sup.2 L stage has a number of collector electrodes arranged to weight the output of each stage in accordance with the significance of the digital bits supplied thereto. The output signals from each respective I.sup.2 L stage are combined to produce an analog output signal. Additional .alpha.- and .beta.-adjusting circuits are incorporated in each stage to add stability to the D/A converter.

REFERENCES:
patent: 4178584 (1979-12-01), Davis
patent: 4266150 (1981-05-01), Bergmann
patent: 4323794 (1982-04-01), Hoehn
Dao, "IEEE Journal of Solid-State Circuits", vol. SC-12, No. 5, Oct. 1977, pp. 463-472.

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