Differential voltage comparator

Details Differential voltage comparator Differential voltage comparator

1990-08-31

1992-05-12

Mullins, James B.

Electrical transmission or interconnection systems

Personnel safety or limit control features

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330253, H03K 5153

Patent

active

051130920

ABSTRACT:
A differential voltage comparator circuit comprises a differential pair (802 and 804) electrically coupled to a biasing network (806) and a loading network (808). The differential pair circuit comprises a first (802) and a second (804) controllable electron valves arranged in a differential pair configuration. The first and second electron valve drains (811 and 810) are electrically coupled to the loading network (808). The first and second electron valve sources (822 and 824) are electrically coupled to the biasing network (806). The first and second electron valve control gates (834 and 836) are electrically coupled to respective first and second input voltage potentials (V1 and V2). Lastly, the first and second electron valve bodies (812 and 814) are electrically coupled to respective first and second body effect voltage potentials (VB1 and VB2) that are not the same voltage potential. A voltage compare output (832) is electrically coupled to the second electron valve drain (810) for presenting an electrical signal (Iout) representative of the compared differential input voltage potentials (V1 and V2).

REFERENCES:
patent: 3961279 (1976-06-01), Davis
Carver Mead, Analog VLSI and Neural Systems, .COPYRGT.1989, Addison-Wesley Publishing Co., pp. 67-82, pp. 305-317, and pp. 319-338.
Prepared by the Engineering Staff of American Micro-systems, Inc., MOS Integrated Circuits, .COPYRGT.1972, Published by Van Nostrand Reinhold Co., pp. 90-93, pp. 162-169, and pp. 215-220.

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