搜索 - 科创

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你少打了个2吧。。。示波器最便宜也得200块钱啊，你从哪弄来的。。。我那台CALTEK CA8020开机也很慢，30秒吧，且亮度很低了，估计是老化严重了吧。。。另外你的天梯咋不能自己起弧呢。。。

notch filter Fs=1024Hz,20 order,bw=8Hz无力应对天朝和谐电网干扰蓝-输入红-输出PS：原因已经查明，是抑制能力不够。改用FIR然后将阻带增益设定为-120db...

信号图片都是测的1：1：1 之后的信号，有固频正旋信号做音频输入。有直接音频输入的图象。CD4046 8脚接地。控制好占空比可以通过EDGE DETECTOR 之前的电阻电容控制（L-FILTE...

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