| 摘要 |
Switch with series-connected MOSFETs, in which the MOSFETs are controlled largely independently of their number both with especially low impedance and with high DC isolation. For this purpose, the MOSFETs (T1, T2, T3...Tn) are in each case associated with their own ferrite ring core pulse transformers (ÜA), the primary circuits (WP) of which are formed by a single line (LA) which is continuously insulated for high voltage and which is conducted once through all ring cores (K) of the pulse transformers (ÜA). When a voltage pulse is applied to the input terminal (EA), the driver MOSFET (TA) is turned on and voltage pulses are transmitted at the same time through all pulse transformers (ÜA) to the control terminals (G) of the MOSFETs (T1, T2, T3...Tn), which causes them to be turned on synchronously. The turn-on rise time of the switch is of the order of 1 nanosecond per 1 kilovolt rated voltage with a resistive load. The invention can be used, for example, in the electro-optical Q-switching of lasers. <IMAGE>
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