科研之友
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摘要
A compact and high-selectivity triband bandpass filter (BPF) is proposed. The filter has a dual-plane structure, consisting of a pair of dual-mode open-loop microstrip resonators and a dual-mode slotline resonator. Using this structure, three passbands as well as five transmission zeros near the passband edges can be generated simultaneously. The triband BPF operating at 1.2 GHz (GPS application), 1.8 GHz (DCS application), and 2.4 GHz (WLAN application) is designed and fabricated. Measurement results agree well with the simulated results.
- 出版日期2015-9
- 单位上海交通大学
