/technologies/fpga-group/b/blog/posts/the-art-of-fpga-design-season-2---post-19Why IIR Filters? Now I am going to switch gears from FIRs to their poorer and much less famous cousins, IIR filters. Recursive or Infinite Impulse Response filters tend to have a very bad reputation and are rarely used compared with Non-Recursive, Fien-USTelligent Community 12