由于Q2的基极-发射极的电压为0V而截止，因此没有负载电流流过r6。

Consequently, no load current flows through R6 because Q2, whose base-emitter voltage is now 0v, has turned off.

youdao

由于Q2的基极-发射极的电压为0V而截止，因此没有负载电流流过r6。

Consequently, no load current flows through R6 because Q2, whose base-emitter voltage is now 0v, has turned off.

youdao