Dual-Band Helical Filters Based on Nonuniform Pitch Helical Resonators
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DOI: 10.1109/tmtt.2017.2659737
Abstract: A helical resonator with two-sectional different pitches is proposed in this paper. The frequency ratios of the first two resonant modes of the helical resonator can be tuned to desirable values in a certain range… read more here.
Keywords: based nonuniform; filters based; band helical; helical filters ... See more keywords