Sense amplifier based voltage comparator

Details Sense amplifier based voltage comparator Sense amplifier based voltage comparator

2005-08-30

2005-08-30

Patel, Rajnikant B. (Department: 2838)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Delay controlled switch

C327S266000, C307S328000

Reexamination Certificate

active

06937085

ABSTRACT:
The voltage comparator of the present invention comprises a sense amplifier connected to a latch. The sense amplifier has a first input terminal for connecting to the input voltage under consideration and a second input terminal for connecting to the reference voltage. The sense amplifier generates two voltages of opposite logic values (i.e., high or low). A latch accepts these two voltages and generates an output voltage that is indicative of whether the voltage under consideration is higher or lower than the reference voltage. In another embodiment, a signal conditioning circuit is used to reduce the transients in the input voltage under consideration and perform level shifting function.

REFERENCES:
patent: 4585001 (1986-04-01), Belt
patent: 5546026 (1996-08-01), Lin et al.
patent: 5770940 (1998-06-01), Goder
patent: 5955910 (1999-09-01), Levin et al.

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