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.

• 引入紫外预电离作用后，开关抖动大大减小，400ns前沿脉冲作用下开关抖动可小于3ns，80ns前沿脉冲作用时开关抖动约1ns。