The big disadvantage is the loss of accuracy and resolution, but some digital picoammeters combine accuracy and dynamic range by combining autoranging and digital log conversion.

 
  • 这种方法,较大的缺点是损失了准确度和分辨率。然而,也有些数字式皮安表,采用自动量程和数字对数变换的方法,这可将准确和宽动态范围结合了起来。
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