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Miniaturized rectangular waveguide filters

✍ Scribed by Alexander Shelkovnikov; Djuradj Budimir

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
279 KB
Volume
17
Category
Article
ISSN
1096-4290

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✦ Synopsis

Two types of miniaturized rectangular waveguide filters are presented. Miniaturization is achieved using the slow-wave effect of electromagnetic bandgap (EBG) surfaces and the left-handed properties of split ring resonators (SRRs). The proposed EBG waveguide bandpass filter performs passband in the frequency range, which corresponds to the waveguide with the lower recommended operating band consequently enabling significant miniaturization of the structure. The SRR-loaded bandstop filter makes use of the effect imposed by left-handed medium (LHM), which is created by a combination of SRRs and wireline on the dielectric slab. Both filters are designed, simulated, and tested. Experimental results of the SRR-loaded bandstop filter are presented to demonstrate feasibility of the proposed structures. V

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