| 摘要 |
The present invention relates to a switchable d.c. voltage regulation circuit having an input terminal, an output terminal, a reference terminal, and a control terminal, including a gate turn-off thyristor, the main terminals of which are connected to the input terminal and to the output terminal, respectively; a resistor connected between the input terminal and the cathode gate of the thyristor; a transistor, the main terminals of which are connected to the cathode gate of the thyristor and to the reference terminal, respectively; and an avalanche diode connected between the output terminal and the base of the transistor.
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