Emitter switching driving network to control the storage time

Details Emitter switching driving network to control the storage time Emitter switching driving network to control the storage time

2007-05-15

2007-05-15

Nguyen, Linh My (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Accelerating switching

C327S377000

Reexamination Certificate

active

11097442

ABSTRACT:
A driving network for an emitter-switching circuit comprises a pair of cascode-configured transistors, the one of the bipolar type and the other of the MOS type, and the driving network is of the type comprising a driving block for respective conduction terminals and of said pair of transistors. The driving network (20, 30) further comprises sensor means in the driving block suitable for measuring a voltage to be compared with a reference value in a first comparator block. A negative feedback network between the output of the comparator and the driving block to provides a voltage value to said driving block to bias the conduction terminal of the bipolar transistor of the emitter-switching circuit in order to regulate the storage time thereof.

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Self Optimizing Low Energy Drive Circuit for Emitter-Switched Transistor, IBM Technical Disclosure Bulletin, vol. 39, No. 1, Jan. 1996.
Rischmuller, Klaus, Simplified Switch-Mode Base Driver With The L4974 Power IC, Electric Engineering, vol. 62, No. 762, Jun. 1990.

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