期刊
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
卷 18, 期 12, 页码 785-787出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LMWC.2008.2007698
关键词
Bandpass filters (BPFs); frequency selective surface (FSS); periodic structures; spatial filters
In this letter, a new technique for designing dual-band frequency selective surfaces with arbitrary bands of operation, with second-order band-pass responses at each band of operation, is presented and experimentally verified. The technique is based on utilizing a particular topology of a second-order band-pass microwave filter and synthesizing its constituting elements using periodic structures with inductive, capacitive, or resonant type surface impedances. The result is a low-profile planar structure composed of three metal and two dielectric layers that acts as a spatial version of the dual-band microwave filter.
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