介绍了一种实用的程控增益技术，该技术利用DAC0832作为程控增益放大器，具有良好的控制特性，线性度好。
This paper introduces a sort of program-controlled-gain technology, which makes use of DAC0832. The amplifier has good control and linear characteristic.
主要优点失真小，放大倍数高以及增益大小可编程控制。
Its main advantages are low distortion and high magnification times. In addition, its gain magnitude can be controlled through programming.
一种用于数据采集的程控信号调理方法，在单片机控制下实现程控增益、程控低通滤波。
A method of signal condition that achieves programmable gain and low pass filter in data acquisition.
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