Abstract:A reconfigurable tri-mode resonator and its application to tri-band bandpass
filter have been demonstrated. The proposed filter exhibits 32.8%
fractional tuning range of the first passband from 1.12-1.56 GHz and 12.73%
of the third pass-band from 2.50-2.84 GHz, and a fixed second passband at 2
GHz, respectively. The first and third frequency passbands can be tuned
independently without interfering with each other. Especially, the filter
uses a hybrid technique of lumped inductors and microstr… Show more
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