Time delay charge integration circuit

Details Time delay charge integration circuit Time delay charge integration circuit

1997-03-28

1999-04-27

Wells, Kenneth B.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific input to output function

By integrating

327337, 377 58, G06G 764

Patent

active

058983325

ABSTRACT:
A charge integration circuit incorporates first and second capacitors, and first and second reference voltage supplies. A first switch controls integration of charge in the first capacitor and selectively resets the first capacitor to the first reference voltage. A second switch selectively resets the second capacitor to the first reference voltage. A current mirror coupled to the capacitors effects discharge of the second capacitor by a quantity of charge equivalent to the charge integrated on the first capacitor so as to effectively transfer charge therebetween at the end of an integration period.

REFERENCES:
patent: 4988900 (1991-01-01), Fensch
patent: 5095223 (1992-03-01), Thomas
patent: 5491623 (1996-02-01), Jansen

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