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模拟输入电流并没有特意给出,但是你可以从最大输入电压和输入阻抗推断出该值。比方说,有块板卡最大输入电压为10V,输入阻抗为10G欧姆,那么输入电流就是1nA。
在测量电流时,很多情况这个问题被误解了。当测量电流时,电流并没有直接流入DAQ板卡,而是流过一个外部的并联电阻。只要并联电阻两端的压降没有超过DAQ板卡的工作范围,理论上,输入电流可以无限大。关于电流测量请参考下面的链接。
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