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PCI-6704的精度如何呢？ 在PCI-6704的说明书上，说明板卡是16位精度的。在+/-10.1 V的满幅电压区间内分了65536个台阶，电流的范围是从0.1到20.2mA。把满幅量程除以量化台阶数，可以得到每个量化电平为0.31mV,每个量化电流0.31uA。那么为何说输出电压的绝对精度是+/-1mV，输出电流的绝对精度是+/- URL: http://digital.ni.com/public.nsf/allkb/E7AEE0410891CAF786256D7300107137
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