Fast, solid-state crowbar switch to protect high power amplifier tubes

  title={Fast, solid-state crowbar switch to protect high power amplifier tubes},
  author={Howard D. Sanders and Chris White and Craig Dunham and Daniel M. Warnow},
  journal={2014 IEEE International Power Modulator and High Voltage Conference (IPMHVC)},
Fast crowbar switches are needed to protect high power amplifier tubes from potentially damaging internal arcs. Such a switch needs to have a fast turn-on to a low impedance state while also having the capability to discharge large amounts of stored energy. These switches have historically been thyratron tubes or spark gaps [1]. We will describe a new hybrid solid-state approach that combines a small fast switch with a slower large area slow switch to achieve a low cost crowbar switch for these… CONTINUE READING


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