Zero temperature coefficient comparator circuit with hysteresis

Details Zero temperature coefficient comparator circuit with hysteresis Zero temperature coefficient comparator circuit with hysteresis

1992-01-10

1993-01-05

Sikes, William L.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307359, H03K 329

Patent

active

051773767

ABSTRACT:
A single ended input comparator circuit having an input inverter stage and a voltage reference circuit is provided. The voltage reference circuit modulates the voltage appearing across the inverter stage thereby varying the switching threshold voltage level of the inverter stage and providing hysteresis for the comparator circuit. Further, by appropriately choosing the widths and lengths of the transistors used in the inverter stage and the voltage reference circuit, a zero temperature coefficient for the comparator circuit is achieved.

REFERENCES:
patent: 4687954 (1987-08-01), Yasuda et al.
patent: 4864164 (1989-09-01), Ohshima et al.
patent: 4939394 (1990-07-01), Hashimoto
patent: 5034623 (1991-07-01), McAdams

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