期刊
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
卷 16, 期 6, 页码 360-362出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LMWC.2006.875607
关键词
dual-band; dual-mode; filter; stepped-impedance-resonator (SIR)
In this letter, a novel compact ring dual-mode with adjustable second-passband for dual-band applications are presented. A ring resonator with two different geometric dimensions are derived and designed to have identical fundamental and the first higher-order resonant frequencies, and to establish appropriate couplings in the structure. Moreover, the proposed filter has smaller size as compared with the basic topology of stopband filters and stepped-impedance-resonator (SIR) filters. The measured filter performance is in good agreement with the simulated response.
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