Cross coupled symmetrical current source unit

Details Cross coupled symmetrical current source unit Cross coupled symmetrical current source unit

1993-11-29

1995-08-29

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

323315, 323316, 330257, G05F 110

Patent

active

054464099

ABSTRACT:
A current source circuit has first and second mirror circuits in order to pull currents of equal values into or out of first and second terminals. The potentials at the first and second terminals are maintained equal to each other through the use of the current source circuit. By using an emitter-coupled logic circuit with a simple configuration for detecting the difference between currents, it is possible to produce a small hysteresis voltage with high reliability.

REFERENCES:
patent: 4004247 (1977-01-01), Plassche
patent: 4308496 (1981-12-01), Nagano
patent: 4588908 (1986-05-01), Reich et al.
patent: 4791315 (1988-12-01), Gontowski, Jr.
patent: 4929910 (1990-05-01), Pace et al.
patent: 5051621 (1991-09-01), Wright
patent: 5132640 (1992-07-01), Tanaka et al.

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