Switching device with a JFET series arrangement
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United States of America Patent
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Dec 16, 2014
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N/A
app pub date -
Apr 6, 2011
filing date -
Apr 7, 2010
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Abstract
A switching device for switching a current between a first connection and a second connection including a series circuit of at least two JFETs (J1-Jn), with further JFETs (J2-Jn), which are connected in series to a lowest JFET (J1), and wherein a wiring network for stabilizing the gate voltages of the JFETs (J1-Jn) is connected between the second connection and the first termination. One additional circuit is connected between each gate connection (GJ2, GJ3 . . . GjN) of the further JFETs (J2-Jn) and associated cathode connections of diodes (DAV) of the wiring network. During switch-on and in the switched-on state, said additional circuit keeps the potential of the respective gate connection higher than the potential of the associated source connection.
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