搜索 - 科创

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虎哥发表于 2014-1-20 06:30 IRFP4668的上升时间小于100nS，对于几十KHz的应用来说算是低的了，楼主测到的上升下降时间不是管子的参数。 ...的确，我所测量的并非管子的参数...

引用第3楼859457326于2010-11-02 18:59发表的 :对不起昨天传到一半我爹不让玩了我还要用它做感应加热所以电容暂时这么大的不知为什么我把线圈减少到只剩一圈电流最大也就4A开关管：...

查MOSFT开关管曲线，就是有一条增益很高，很陡峭的曲线，该电路就是利用了这段高增益曲线。再加上前级电路有恒流源放大，所以虽然只有两级放大，可增益十分大。我按图做的电路，零负载到10A输出电压变化只...

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