Clamping circuit

Details Clamping circuit Clamping circuit

1977-04-15

1978-08-22

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307228, 307300, 330110, H03K 508

Patent

active

041091663

ABSTRACT:
The collector current of a first transistor serves as the base drive current for a second transistor of opposite conductivity type than the first transistor. When conduction occurs through the collector-to-emitter path of the second transistor, a conducting diode connected between the emitter of the first transistor and the collector of the second transistor clamps this collector to a relatively fixed voltage level referenced to the fixed base voltage of the first transistor. This prevents saturation of the second transistor and thus reduces the "storage delay", that is the turn-off time delay of the second transistor. In addition, the charge stored at the base electrode of the second transistor is removed when its collector-to-emitter current flow is interrupted to further reduce the turn-off time of this transistor.

REFERENCES:
patent: 3311757 (1967-03-01), Matsumoto

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