Zero temperature coefficient reference circuit

Details Zero temperature coefficient reference circuit Zero temperature coefficient reference circuit

1977-01-12

1978-09-12

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307297, 323 39, 323 68, H01V 300, G05F 300

Patent

active

041140532

ABSTRACT:
A temperature insensitive voltage reference circuit for use between a voltage supply and an amplifier or comparator reference input is provided having a very small overall temperature coefficient value, approaching zero, over a wide operating range for stabilizing reference voltage with temperature. Preferably, a transistor is connected emitter to ground with its collector designated the circuit output to the reference input. An adjustable voltage divider may be connected between the voltage supply and the circuit output with the intermediate point connected to the base of the transistor.

REFERENCES:
patent: 3659121 (1972-04-01), Frederiksen
patent: 3831040 (1974-09-01), Nanba et al.
patent: 3906386 (1975-09-01), Hongu et al.
patent: 3992676 (1976-11-01), Knight

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