Reduced offset voltage comparator system

Details Reduced offset voltage comparator system Reduced offset voltage comparator system

2006-11-24

2009-06-09

Lam, Tuan (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S072000

Reexamination Certificate

active

07545181

ABSTRACT:
A method for comparing two signal with increased accuracy by using a reduced offset voltage comparator that has a offset zero mode and amplify mode. Additional comparators are used to indicate when the two signal are close in value. When the signal are close the reduced offset voltage comparator operation is changed from offset zero mode to amplify mode and the two signal are compared.

REFERENCES:
patent: 3968486 (1976-07-01), Gerdes
patent: 5068662 (1991-11-01), Guddanti et al.
patent: 6498577 (2002-12-01), Lin
patent: 2007/0241953 (2007-10-01), Morisson

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