Triple Band Filter Based on Double Periodic CRLH Resonator

A triple band filter based on double periodic composite right and left handed (DPCRLH) is designed, modeled, simulated, and tested. A DPCRLH resonator can be formed from symmetric DPCRLH unit cell with the ends open circuited. The designed open circuit DPCRLH resonator has five resonant points at 1....

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Bibliographic Details
Published inIEEE microwave and wireless components letters Vol. 28; no. 3; pp. 212 - 214
Main Authors Mohan, Manoj Prabhakar, Alphones, Arokiaswami, Karim, M.F.
Format Journal Article
LanguageEnglish
Published IEEE 01.03.2018
Subjects
Couplings
Double periodic composite right and left handed (CRLH)
Feeds
filter
Microwave filters
multiband circuit
Q-factor
Resonant frequency
resonator
Resonator filters
Scattering parameters
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Summary:A triple band filter based on double periodic composite right and left handed (DPCRLH) is designed, modeled, simulated, and tested. A DPCRLH resonator can be formed from symmetric DPCRLH unit cell with the ends open circuited. The designed open circuit DPCRLH resonator has five resonant points at 1.574, 2.05, 3.24, 6, and 9 GHz, and it is verified by simulation and experiment. This DPCRLH resonator can be used to from a triple band filter using the last three resonant points at 3.3, 6, and 9 GHz. The triple band filter is of third order and has three independent fractional bandwidths. The simulated and measured S-parameter responses match quite well.
ISSN:1531-1309
1558-1764
DOI:10.1109/LMWC.2018.2804171