设计椭圆滤波器及计算和显示功率互补IIR滤波器的频率响应；设计一个单带滤波器

应用于AVR单片机对驱动控制芯片LM629的控制程序，调试通过，十分实用-AVR applies to single-chip driver control chip LM629 for control procedures, debugging through a very practical

设计椭圆滤波器及计算和显示功率互补IIR滤波器的频率响应；设计一个单带滤波器-The design of elliptic filters and calculate and display power complementary IIR filter frequency response the design of a single-band filters