Low voltage clamp

Details Low voltage clamp Low voltage clamp

1985-07-29

1987-08-25

Edlow, Martin H.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

357 13, 357 34, 357 35, 357 86, 307299A, 307559, 307561, 307565, H01L 2972, H01L 2990, H03K 508, H03K 326

Patent

active

046896511

ABSTRACT:
A low voltage clamp circuit comprises a transistor and semiconductor junction impedance circuitry for establishing an impedance such that the magnitude of a voltage applied across the emitter and collector of the transistor is clamped at a value that is less than the reverse breakdown voltage of the collector-to-emitter of the transistor if its base is shorted to the collector. The clamp circuit is suited to be manufactured in monolithic integrated circuit form and can be used to protect integrated bipolar transistors from having the reverse breakdown voltage of their emitter-base junctions exceeded.

REFERENCES:
patent: 3488564 (1968-04-01), Crafts
patent: 3766449 (1973-10-01), Bruchez
patent: 3969748 (1976-07-01), Horie

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