Comparator cell for analog-to-digital flash converter

Details Comparator cell for analog-to-digital flash converter Comparator cell for analog-to-digital flash converter

1984-11-15

1986-05-27

Miska, Vit W.

Communications: electrical

Audible indication

Percussion-type sound producer

H03K 1302

Patent

active

045918309

ABSTRACT:
A comparator cell for analog-to-digital flash converters is provided that reduces power dissipation and peak voltage drop across a load while improving accuracy. An even number of level sensors are coupled to receive an analog input signal and provide a first and a second current. Each level sensor is biased by a different reference voltage. Means for receiving the first and second current and providing an output is coupled between the level sensors and a pair of load resistors. The load resistors are manufactured in a predetermined resistance ratio depending on the number of level sensors.

REFERENCES:
patent: 4195235 (1980-03-01), Schoeff
patent: 4232302 (1980-11-01), Jagatich
patent: 4386339 (1983-05-01), Henry et al.
patent: 4532438 (1985-07-01), Reiner
IEEE Journal of Solid State Circuits, vol. SC-14, No. 6, Dec. 1979, pp. 938-943.
Thomson-CSF Data Sheet, ESM 362A, 79-07, Jul. 1979.

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