Design of Filtering Microstrip Antenna Using Filter Synthesis Approach

Provided by: EMW Publishing
Topic: Mobility
Format: PDF
Design, simulation, and measurement of a compact filtering microstrip antenna are 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 0.043dB at mid-band frequency of 2.0GHz. The rectangular patch acts not only as a radiating element, but also as the last resonator of the band pass 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.

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