Circuit arrangement for the operation of a switching transistor

Details Circuit arrangement for the operation of a switching transistor Circuit arrangement for the operation of a switching transistor

2007-05-01

2007-05-01

Cho, James H. (Department: 2819)

Electronic digital logic circuitry

Signal sensitivity or transmission integrity

Signal level or switching threshold stabilization

C326S083000

Reexamination Certificate

active

11092325

ABSTRACT:
The circuit arrangement comprises a driver stage and a control circuit coupled to the control input of a switching transistor. The driver stage provides a switching voltage for the operation of the switching transistor, and the control circuit provides a shaping of the switching voltage in the sense of delaying the switching through of the switching transistor. The control circuit comprises in particular a control transistor, which is coupled a control input via a high pass filter to the output of the driver stage and with an current input to the control input of the switching transistor. The switching transistor is for example a MOSFET being used for switching on and off a capacitive load.

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EPO Search Report, Aug. 30, 2004.
Patent Abstracts of Japan vol. 018, No. 280 (E-1555) May 27, 1994 & JP 06 053795 Fuji Electric Co. Ltd. Feb. 25, 1994.
U. Tietze, Ch. Schenk: “Hal;bleiterscahltungstechnik 10. Auflage” 1993, Springer Verlag, Berlin, no month.

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