L=0.00137H、C=470e-6F、Rs=0.32Ohm、Rvi=511kOhm、Rvd=10kOhm、VACrms=220V。负载初始500Ohm,0.5s时变化为200Ohm(重载到轻载)
负载初始500Ohm,0.5s时变化为200Ohm(轻载到重载) 负载太轻开关管会关断,相当于给电容充电,输出电压下降 初始500Ohm,0.5s变为40Ohm 模拟中频震荡 Rcz=1Ohm
负载500Ohm
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