The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Peaking Switch to Generate a High Voltage Pulse of Sub-nanosecond Rise Time

서브 나노초 상승시간의 고전압 펄스 발생용 피킹 스위치

  • Received : 2012.07.30
  • Accepted : 2012.08.21
  • Published : 2012.09.01
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Abstract

A triaxial Blumlein pulse forming line has been designed to generate a pulse whose voltage is ~300 kV, pulse duration is ~5 ns, and rise time is ~500 ps. It turns out, however, that the rise time of the pulse becomes much longer than 500 ps due to parasitic inductances and capacitances existing inside the system. A peaking switch has been developed to shorten the rise time of the pulse from Blumlein pulse forming line. In the peaking switch, a wedge-shaped dielectric material (MC 901 nylon) is employed to surround the electrode on the antenna side. This shape inhibits an abrupt change of the output impedance, thereby minimizing the reflection of the output pulse. Experimental results show that the peaking switch is capable of improving the rise time of the pulse at a level of 500 ps.

Keywords

References

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Cited by

  1. Generation of a High Voltage Pulse of 50 ns Pulse Duration using a Helical Blumlein Pulse Forming Line vol.62, pp.6, 2013, https://doi.org/10.5370/KIEE.2013.62.6.786