Efficient comb decimation filter with sharpened magnitude response

Authors:
Quan Liu;Jun Gao
Affiliations:
Department of Communication Engineering, Naval University of Engineering, Wuhan, China;Department of Communication Engineering, Naval University of Engineering, Wuhan, China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

This paper presents a new efficient comb decimation filter with improved magnitude response. By making use of partial polyphase decomposition and descending prime factorization, the new filter shows lower power consumption and higher circuit speed. And its application of sharpening technique from the second substage effectively reduces the passband droop and increases the aliasing rejection.