用单片机AT89s52对可编程滤波器芯片MAX262 进行程序控制，可以同时对两路输入信号进行二阶低通、高通、带通、带阻以及全通滤波处理，滤波器的中心频率在15kHz～50kHz 频率范围内实现64 级程控调节，其Q 值在0.5～64 范围实现128 级程控调节。-In a simple, accurate, reliable, stable and universal principles, use of a hierarchical design to match the idea of i

程控滤波器的源代码。能实现高通，低通，带通，带阻。-The source code of the programmable filter. High-pass, low pass, band pass, band stop.

用单片机mega16实现FIR滤波器功能，有高通低通，带阻与带通，并可产生PWN验证-Mega16 MCU FIR filter function, a high-pass low-pass, band-pass and band-stop, and can produce PWN verification