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학술대회 K-band Tunable Cavity Filter Using Dual TE211 Mode
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저자
곽창수, 엄만석, 염인복
발행일
201706
출처
International Microwave Symposium (IMS) 2017, pp.256-259
DOI
https://dx.doi.org/10.1109/MWSYM.2017.8059089
협약과제
17HR2800, 차기위성 Flexible 통신방송 탑재체 핵심기술 개발, 장동필
초록
In this paper, a K-band tunable cavity resonator filter is introduced. The tunable filter uses a dual TE211 mode cavity to reduce the size of the filter. To improve the tuning range of a pseudo-low pass filter that uses short irises, dummy iris is introduced. To enhance selectivity at band edge, additional cavity is introduced. A transmission zero generated by the additional cavity is controlled by only the cavity. To extend the rejection band, we use interaction between TE211 mode and adjacent modes. We fabricate and test the two-cavity, three-transmission zero tunable filters to verify the design results.
키워드
Cavity resonator filter, Dual mode, TE211 mode, Tunable filter
KSP 제안 키워드
Cavity Resonator Filter, Cavity filter, K-band, Low Pass Filter, Tunable filters(TFs), Tuning Range, band edge, dual mode, rejection band, transmission zeros(TZs)