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Coupled microstrip slot resonators for bandstop filters: theory and design
Journal of Electromagnetic Waves and Applications ( IF 1.2 ) Pub Date : 2020-12-20 , DOI: 10.1080/09205071.2020.1861991
Lakshmi C. R. 1 , D. Kannadassan 2
Affiliation  

Bandstop filters with single and dual stop-bands were implemented using coupled mode microstrip slot resonators (MSRs) for the first time. With compact and ease of fabrication, the MSRs provide excellent filter response as desired. It is found that the MSRs can offer narrow bandwidth of less than 20% fractional bandwidth and large isolation of more than 40 dB. The designs of MSRs and filters are systematically demonstrated with the method of coupled mode resonator theory. MSRs may be potential alternative for complicated and arbitrary design of BSFs to achieve desired frequency response.



中文翻译:

带阻滤波器的耦合微带缝隙谐振器:理论与设计

首次使用耦合模式微带缝隙谐振器(MSR)实现了具有单阻带和双阻带的带阻滤波器。MSR具有紧凑和易于制造的特点,可根据需要提供出色的滤波器响应。已经发现,MSR可以提供小于20%的小带宽的窄带宽和大于40 dB的大隔离度。用耦合模式谐振器理论方法系统地论证了MSR和滤波器的设计。MSR可能是BSF复杂且任意设计的潜在替代方案,以实现所需的频率响应。

更新日期:2020-12-20
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