Abstract
We examine the use of different high-level filter architectures (cascade, lattice, and
parallel). We discuss their advantages and disadvantages, and we present simulation results
and filter-tolerance tests. This information serves as a useful comparative analysis in the
selection of a high-level filter architecture for a particular problem. The sensitivity to
nonlinearity is also evaluated as resonance-enhanced power in the feedback path. For
narrowband band-pass responses, cascade architectures appear to be more tolerant to filter
parameter variations than lattice architectures and are substantially more efficient than
parallel architectures.
© 2010 IEEE
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