Differential comparator with stable switching threshold

Details Differential comparator with stable switching threshold Differential comparator with stable switching threshold

1998-12-22

2000-10-03

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 89, H03K 522

Patent

active

061278548

ABSTRACT:
A differential threshold comparator is provided which includes an input stage and a threshold stage, both supplied with current by a common current mirror. Both stages are differential comparators, with the input stage having terminals for receiving an input signals and the threshold stage having terminals for receiving a threshold voltage. The threshold comparator produces a signal which indicates whether the difference between input signal voltages exceeds the threshold voltage.

REFERENCES:
patent: 5172017 (1992-12-01), Schmidt
patent: 5311085 (1994-05-01), Pelgrom et al.
patent: 5396131 (1995-03-01), Miki et al.
patent: 5517134 (1996-05-01), Yaklin

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