FIELD: electricity.
SUBSTANCE: MIS transistor power key is proposed, comprising a transformer, the end of the secondary winding of which is connected directly with the source of the MIS transistor, two diodes and a resistor, an anode of the first diode and a cathode of the second diode are connected to the start of the secondary winding of the transformer, the cathode of the first diode - directly, and the anode of the second diode via the resistor are connected to the gate of the MIS transistor. At the same time two capacitors are introduced, the first one is connected between the gate and the source of the MIS transistor, the second one - between the anode of the second diode and the source of the MIS transistor.
EFFECT: improving power key operation reliability.
1 dwg
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