High density analog-to-binary coded decimal converter

Details High density analog-to-binary coded decimal converter High density analog-to-binary coded decimal converter

1977-09-26

1980-09-30

Sloyan, Thomas J.

Communications: electrical

Audible indication

Percussion-type sound producer

340347M, 357 92, H03K 1302

Patent

active

042258545

ABSTRACT:
The combination of integrated injection logic (I.sup.2 L) and linear circuitry permits fabrication of a highly dense analog-to-binary coded decimal (A-to-BCD) converter. The heart of the A-to-BCD converter is a linear-I.sup.2 L plurality of high density variable current sinks which are proportional to each other in combination with I.sup.2 L gating techniques. These variable current sinks, when used in combination with the I.sup.2 L constant current sources, current sensing means, and I.sup.2 L logic, provide a highly dense A-to-BCD converter.

REFERENCES:
patent: 3142056 (1964-07-01), Martin et al.
patent: 3537101 (1970-10-01), Campanella et al.
Hart et al., Bipolar LSI Takes a New Direction, Electronics, Oct. 3, 1974, pp. 111-118.

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