这个电路模块是一个低通滤波器模块，可以过滤掉高频信息，保留低频信息，电路很好的实现功能。-The circuit module is a low pass filter module, which can filter out the high frequency information and keep the low frequency information.

LM358典型应用电路，直流耦合低通RC有源滤波,(LM358 typical application circuit)

基于ADS硬件仿真平台，实现了一个低通滤波器的设计(Based on ADS, a low pass filter is designed.)