Differential voltage monitor using a bridge circuit with resisto

Details Differential voltage monitor using a bridge circuit with resisto Differential voltage monitor using a bridge circuit with resisto

1994-02-03

1996-12-10

Karlsen, Ernest F.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

With auxiliary means to condition stimulus/response signals

324706, 324720, 323281, G01R 1700

Patent

active

055834426

ABSTRACT:
A differential voltage monitor is shown using a resistive bridge to produce a sample value representing that differential voltage. A portion of the resistive bridge is located on an IC and a portion is external to the IC. The object is to compare the differential voltage with a reference, producing a logic signal at a threshold level. The threshold level serving as a reference and the sample valve representing the differential voltage are made to be equally dependent on the bridge components located on the IC. In this way, any changes in the IC located bridge resistors compared to the bridge resistors located outside the IC are prevented from affecting the measurement.

REFERENCES:
patent: 4375596 (1983-03-01), Hoshi
patent: 4868482 (1989-09-01), O'Shaugnessy et al.
patent: 5079497 (1992-01-01), Barbu et al.
patent: 5172017 (1992-12-01), Schmidt
patent: 5300877 (1994-04-01), Tesch

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