Current-discrimination arrangement

Details Current-discrimination arrangement Current-discrimination arrangement

1983-03-16

1987-11-24

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307270, 307276, 307289, 323312, H03K 301, H03K 329

Patent

active

047091630

ABSTRACT:
A current-discrimination arrangement, in particular for use in stabilizing circuits, comprises two cross-coupled transistors. The current to be discriminated is applied in parallel to both transistors. For small currents both transistors conduct to the same extent, while at a current I=2(KT/qR), in which R is the resistance value of the collector load impedances of the two transistors, the circuit becomes bistable. The steep characteristic at the transition from non-stable to the bistable operation is used as discrimination characteristic.

REFERENCES:
patent: 3218613 (1965-11-01), Gribble et al.
patent: 3573499 (1971-04-01), Lynes
patent: 3686515 (1972-08-01), Kadono
patent: 3912950 (1975-10-01), Tada
patent: 3953746 (1976-04-01), Fett
patent: 4370573 (1983-01-01), Keene

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