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Parallel cascaded integrator-comb (CIC) pre-filters are proposed to greatly increase the speed of digital decimation filters. Several times of clock rate improvement can be achieved by paralleling computations. Unlike traditional poly-phase parallel decomposition, the new method avoids the substantial area/complexity increase, as a consequence of converting to parallel structure, by exploiting the...
A new architecture for the implementation of very high speed digital decimation filters is described. It combines the cascaded integrator-comb (CIC) multirate filter structure with filter sharpening techniques to improve the filter's passband response. A SPT-encoded non-recursive technique is further applied to realize parallel computation and improve the maximum clock rate of the filter. With a 0...
Cascade inverter have become increasingly popular in recent years due to their practicability. This paper will present a novel composite cascade multilevel converter that is derived from these two topologies. The proposed converter structure is the series-connection of a five level diode-clamp converter and several three level H-bridge converters with equal dc bus voltage. Accordingly, for the novel...
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