MULTISTAGE CIC FILTERS FOR SUBBAND TUNING
Gordana Jovanović Doleček, E. Erro, Vlatko Doleček · 2008
This paper introduces a new multistage CIC decimation filter based on non recursive and modified recursive structure of CIC filter. The resulting decimation filter has an improved magnitude response compared with that of a corresponding conventional CIC filter. Additionally the filter is a multiplierfree and has no filtering at high input rate. The sharpening technique is used to further improve the magnitude characteristic of the proposed structure.