Circuit for providing programmable hysteresis levels

Details Circuit for providing programmable hysteresis levels Circuit for providing programmable hysteresis levels

1995-06-05

1997-04-01

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Particular stable state circuit

327 68, 327 73, H03K 524

Patent

active

056170505

ABSTRACT:
A circuit for providing programmable hysteresis levels is disclosed. The circuit includes comparators for producing output signals when an input signal crosses respective set points and a hysteresis circuit for establishing a hysteresis in the output signals. When a comparator's output signal is "on", the input signal is shifted by a hysteresis differential. The output signal is terminated when the shifted input signal returns to the set point. The hysteresis circuit includes a programmable hysteresis input for adjusting the hysteresis differential to different preset and intermediate hysteresis levels.

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Low Power, Programmable Temperature Controll, TMP01, Analog Devices Brochure, Jul. 1994.

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