MHz repetition rate pulsed power technology

Three technical approaches were presented for the MHz repetition rate burst high-voltage generator. The solid-state driver is based on the idea of using field effect transistor (FET) array and inductive adder to switch energy from a pre-charged capacitor bank to a load. In this way, output voltage with an amplitude of 6.2 kV, a repetition rate of 2.5 MHz was achieved. Pulse forming lines (PFLs), which are connected in series by large diaphragm switches, can produce multiple pulses. The as-developed system produced two 200 kV pulses separated by 500 ns. Especially designed blocking networks consisting of power diodes can combine several isolated pulses into a bunch. And three 275 kV pulses separated by 500 ns were achieved.