However, it is still desired to provide reverse base current to Q1 at the instant of turnoff to speed up turnoff time and provide a -1-to -5-V reverse base bias.

• 但是，它仍然是希望提供扭转目前的基础上，以第一季度即时的倒胃口加快关机时间，并提供1至5电压反向基地偏见。