Design of filtering microstrip antenna using filter synthesis approach

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Colleges, School and Institutes


Design, simulation, and measurement of a compact filtering microstrip antenna is presented. A feed line, two hairpin resonators, and a rectangular patch are integrated to form the filtering antenna. The elements together function as a third order bandpass filter with Chebyshev equal ripple response of 0.043 dB at midband frequency of 2.0 GHz. The rectangular patch acts not only as a radiating element, but also as the last resonator of the bandpass filter. The proposed filtering antenna exhibits good out-of- band gain suppression, flat in-band gain response, good selectivity at the band edges, and well-shaped radiation pattern.


Original languageEnglish
Pages (from-to)59-67
Number of pages9
JournalProgress In Electromagnetics Research
Publication statusPublished - 3 Mar 2014