Driving circuit for a control terminal of a bipolar...

Details Driving circuit for a control terminal of a bipolar... Driving circuit for a control terminal of a bipolar...

2006-05-30

2006-05-30

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S478000

Reexamination Certificate

active

07053678

ABSTRACT:
A driving circuit is provided for a control terminal of a bipolar transistor in an emitter-switching configuration. The emitter-switching configuration is between first and second voltage references. The driving circuit includes at least one first resistive element connected to the control terminal of the bipolar transistor and a first capacitor connected to the resistive element with respect to a first circuit node and to the second voltage reference. The driving circuit further includes a Zener diode connected between the first circuit node and a second circuit node, and a second capacitor between the second circuit node and the second voltage reference.

REFERENCES:
patent: 4695770 (1987-09-01), Raets
patent: 5399913 (1995-03-01), Widener et al.
patent: 6154069 (2000-11-01), Ebihara
Self-Optimizing Low Energy Drive Circuit for Emitter-Switched Transistor, IBM Technical Disclosure Bulletin, IBM Corp., New York, US, vol. 39, No. 1, 1996, pp. 151-160, XP000556356.

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