High density analog-to-digital converter

Details High density analog-to-digital converter High density analog-to-digital converter

1979-11-05

1981-12-08

Sloyan, Thomas J.

Communications: electrical

Audible indication

Percussion-type sound producer

340347M, 357 92, H03K 1302

Patent

active

043050646

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

REFERENCES:
patent: 3142056 (1964-07-01), Martin et al.
patent: 3537101 (1970-10-01), Campanella et al.
patent: 3594766 (1971-07-01), Gilbert
patent: 3940760 (1976-02-01), Brokaw
patent: 4112439 (1978-09-01), Kawasaki et al.
patent: 4158782 (1979-06-01), Price
Pressman, Design of Transistorized Circuits for Digital Computers, J. F. Rider, Inc., 1959, pp. 3-51 to 3-54.
Hart et al., Bipolar LSI Takes a New Direction with Integrated Injection Logic, Electronics, Oct. 3, 1974, pp. 111-118.

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