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不太理解TL494外加NPN加速上拉接法的输出波形电平变矮还是波形宽度变窄?

Other Parts Discussed in Thread: TL494

业余人士,把老式TL494_KA7500半桥ATX电源三极管使用外加NPN加速上拉接法改进为NMOS成功,但是不太理解参考文章

“注意脉冲幅度变短”,这是由于发射极接地电路的开关特性,OFF延迟大而引起的。的具体波形变化是什么意思,波形电平变矮还是波形宽度变窄?

望兄弟姐妹们来个醍醐灌顶(提的壶里最好别是开水哈,-_=),多谢!