| 摘要 |
A gate drive circuit capable of turning on a semiconductor switching element at high speed, which includes: a buffer circuit including a turn-on-drive switching element and a turn-off-drive switching element that are complementarily turned on and off, for driving the semiconductor switching element; a first DC voltage supply including a positive electrode connected to the source or emitter of the turn-on-drive switching element and a negative electrode connected to a reference potential; and a second DC voltage supply including a positive electrode connected to the source or emitter of the turn-off-drive switching element and a negative electrode connected to the reference potential.
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