Circuit arrangement with a transistor having a reduced...

Details Circuit arrangement with a transistor having a reduced... Circuit arrangement with a transistor having a reduced...

2008-04-22

2008-04-22

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C327S319000, C327S320000, C361S101000

Reexamination Certificate

active

07362157

ABSTRACT:
A circuit arrangement is disclosed herein having an input terminal configured to receive an input voltage, and an output terminal to provide an output voltage for a load. A first transistor with a load path and a control terminal is connected between the input terminal and output terminal. A first resistance element is connected between the control terminal of the first transistor and the input terminal. A first driver circuit is connected to the control terminal of the first transistor and is configured to control a current flow through the first transistor in a forward direction. A second driver circuit is provided which is designed to detect a voltage difference between the input terminal and output terminal, and then to drive this first transistor as a function of the voltage difference in a blocking action.

REFERENCES:
patent: 4704572 (1987-11-01), Melbert
patent: 4945444 (1990-07-01), Schwertlein et al.
patent: 5764465 (1998-06-01), Mattes et al.
patent: 6104168 (2000-08-01), Aranovich
patent: 6150801 (2000-11-01), Schwertlein et al.
patent: 6424512 (2002-07-01), Schmacht
patent: 2005/0017701 (2005-01-01), Hsu
patent: 197 39 246 (1999-03-01), None
patent: 10 024 515 (2001-11-01), None
patent: 0 374 288 (1994-10-01), None
patent: 0 990 199 (2001-11-01), None

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