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,较大的缺点是损确度和分辨率。然而,也有些
字式皮安表,采用自动量程和
字对
变换的方法,这可将
确和宽动态范围结合
起来。