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首页> 外文期刊>Microwave and optical technology letters >COMPACT DUAL-BANDSTOP FILTER BASED ON COMPOSITE RIGHT/LEFT HANDED TRANSMISSION LINE
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COMPACT DUAL-BANDSTOP FILTER BASED ON COMPOSITE RIGHT/LEFT HANDED TRANSMISSION LINE

机译：基于右/左手传输线的紧凑型双带阻滤波器

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摘要

This letter presents a novel compact dual-bandstop filter based on composite right/left handed transmission line (CRLH-TL) resonator. By tuning the length of the shunted stubs in the CRLH-TL resonator, each of the two stopbands can be controlled independently. The resonant properties of CRLH-TL resonators are interpreted. A T-shaped microstrip line is applied to improve the passband performance. The equivalent circuit for the presented filter is developed to analyze its performance and detailed design procedures are presented. The simulated and measured results of the final fabricated dual-bandstop filter are found in good agreement with each other. The maximum attenuation is 36 dB in the first stopband and 31 dB in the second stopband with a compact size of 0.21 λg×0.15 λg. Furthermore, a wide passband with low insertion loss is also obtained.
机译：这封信提出了一种新颖的紧凑型双带阻滤波器，该滤波器基于复合右手/左手传输线（CRLH-TL）谐振器。通过调整CRLH-TL谐振器中分流短截线的长度，可以独立控制两个阻带。解释了CRLH-TL谐振器的谐振特性。使用T形微带线可改善通带性能。开发了所提出的滤波器的等效电路以分析其性能，并给出了详细的设计程序。发现最终制造的双带阻滤波器的仿真结果和测量结果彼此吻合良好。第一衰减带的最大衰减为36 dB，第二阻带的最大衰减为31 dB，紧凑尺寸为0.21λg×0.15λg。此外，还获得了具有低插入损耗的宽通带。

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