The jitter is less than 3ns when the switch breakdown at front edge under the pluse with 400ns risetime, while the jitter shorts to about 1ns under the pulse with 80ns risetime.

引入紫外预电离作，关抖大大，400ns沿脉冲作下关抖可于3ns，80ns沿脉冲作时关抖约1ns。