Controlled voltage or current source, and logic gate with same

Details Controlled voltage or current source, and logic gate with same Controlled voltage or current source, and logic gate with same

1990-08-31

1992-08-04

Mis, David

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307443, 307450, 307491, 307310, H03K 19003, H03K 301

Patent

active

051361825

ABSTRACT:
A controlled voltage or current source comprises a first CMOS active voltage divider, which generates a first reference voltage at a first reference node as a first function of temperature, and a second CMOS active voltage divider, which generates a second reference voltage at a second reference node as a second function of temperature. A CMOS difference amplifier, generates the controlled voltage as a function of the difference between the first reference voltage and the second voltage reference, and of a third function of temperature. A final amplifier stage offsets changes in the source voltage. In another aspect, temperature compensated NAND and NOR gates are provided using the controlled voltage source.

REFERENCES:
patent: 4768170 (1988-08-01), Hoff
patent: 4853654 (1989-08-01), Sakurai
patent: 5017807 (1991-05-01), Kriz et al.

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