一个简单实用的例程，通过PIC33Fxxx单片机实现无限冲击响应IIR数字滤波器的设计-A simple practical routines, the adoption of single-chip implementation PIC33Fxxx IIR IIR digital filter design

there is Design a butterworth low pass IIR filter. (a) Using butterworth to design an IIR low pass filter with Fs=8192hz and Fpass =1000 and Fstop =1200. You use the minimum order of filter. And match exactly at pass band. and other progr