Driving circuit for switching element
专利汇可以提供Driving circuit for switching element专利检索，专利查询，专利分析的服务。并且PURPOSE:To remove the oscillating current of a driving circuit, to prevent the malfunction of a switching element or the breakdown of an element due to the oscillating current by connecting a high speed diode in series to the emitter or the collector of the transistor(TR) of a negative bias circuit. CONSTITUTION:When the TR 11 turns off, since a base reverse current is cut steeply, diE/dt (iE is base current) comes high, and the inductance Ls of a base wiring and a capacity Cj between the base and the emitter of the TR 11 cause LC resonance. At that time, a resonance current is supplied to the base as being the oscillating current. The driving circuit is provided with a high speed diode 4 like a Schottky diode, connected in series to the collector of TR 3 of the negative bias circuit. In the driving circuit of the switching element, constituted in such a way, since a high frequency oscillating current is prevented by the high speed diode 4, the oscillating current is not generated at all.，下面是Driving circuit for switching element专利的具体信息内容。
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