This paper proposes a novel multiplierless comb compensation filter, which has the absolute passband deviation less than 0.1dB in the wide passband. The compensator consists of a cascade of two simple filter sections, both operating at a low rate. The magnitude characteristics of the two component filters are synthesized as sinewave functions, in which the main design parameters correspond to the amplitudes of sinewave functions. A systematic procedure is followed to select synthesis parameters, which depend only on the number of cascaded comb filters. In particular, they are independent of the decimation factor. Comparisons with comb compensators from literature illustrate the benefits of the proposed design.
The design of the simplest compensation filters available for cascaded integrator-comb (CIC) decimators to date is introducted. These filters require only two additions and can be straightforwardly realised in terms of the integer d as a design parameter, which depends on K, the number of cascaded CIC filters. The proposed compensators have the minimum phase property, useful for low-delay applications.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.