Median reference voltage selection circuit

Details Median reference voltage selection circuit Median reference voltage selection circuit

1997-12-15

2000-03-21

Cunningham, Terry D.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327407, 327408, H03K 522

Patent

active

060407182

ABSTRACT:
A comparator circuit performs at least three compare operations, wherein in each compare operation the comparator compares two of at least three reference voltages to one another and provides a signal to indicate which of the two reference voltages is greater. A decode logic circuit in response to the signals provided by the comparator circuit in the at least three compare operations selects the median reference voltage from among the at least three reference voltages, and causes a multiplexer to transfer the median reference voltage to an output terminal of the mux.

REFERENCES:
patent: 3619791 (1971-11-01), Moreines
patent: 4341961 (1982-07-01), Komoriya
patent: 4460837 (1984-07-01), Anderson, Jr.
patent: 4617473 (1986-10-01), Bingham
patent: 4626707 (1986-12-01), Arita et al.
patent: 4654829 (1987-03-01), Jiang et al.
patent: 5130582 (1992-07-01), Ishihara et al.
patent: 5283762 (1994-02-01), Fujishima

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