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各位大侠，我用Saber仿真，UC3844不工作，不知道什么原因，帮忙看下，谢谢
亲；你设定的Vcc是多少电压？由于电位问题；建议仔细核查一下电路。
VCC 18V
你好，saber软件本身仿真就经常出些小问题，顺便问下，你的光耦原边测信号连接到哪的，谢谢。
