宽范围、高分辨率数据采集系统的一种实现方法

An Implementing Method of Data Acquisition System Features Wide Range and High Resolution

介绍一种采用程控放大／程控衰减的方法，实现宽范围、高分辨率的数据采集。重点介绍了程控放大／程控衰减环节的设计，简叙了电路实现，给出了试验结果。

The method of data acquisition by using programmable amplification and attenuation is introduced. With this method, the features of wide range and high resolution will be implemented. The design of the elements of programmable amplification/programmable attenuation is emphasized and the circuits are described briefly. The test result is also given.