標題: A Filtering Microstrip Antenna Array
作者: Lin, Chin-Kai
Chung, Shyh-Jong
傳播研究所
Institute of Communication Studies
關鍵字: Balun;bandpass filter (BPF);filtering antenna;microstrip antenna array;power divider
公開日期: 1-Nov-2011
摘要: A new filtering microstrip antenna array is presented. The antenna elements, together with the very compact feeding network, function as a third-order bandpass filter. The feeding network, which consists of one power divider and two baluns, provides the first two stages, and the microstrip antenna elements provide the last stage in the filter design. The equivalent lumped circuit model is analyzed, and the detail synthesis procedure is presented. A third-order filtering 2 x 2 microstrip antenna array is designed at a center frequency of 5 GHz with 3% fractional bandwidth and Chebyshev 0.3-dB equal-ripple broadside antenna gain response. The results from circuit model, full-wave simulation, and measurements agree well. Compared to the conventional patch antenna array, the proposed filtering microstrip antenna array successfully suppresses the unwanted signals in out-of-band, preserves good selectivity at band edges, and retains the flatness of the pass-band broadside antenna gain response.
URI: http://dx.doi.org/10.1109/TMTT.2011.2160986
http://hdl.handle.net/11536/14666
ISSN: 0018-9480
DOI: 10.1109/TMTT.2011.2160986
期刊: IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
Volume: 59
Issue: 11
起始頁: 2856
結束頁: 2863
Appears in Collections:Articles


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