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首页> 外文会议>Applied Electromagnetics Conference (AEMC), 2011 IEEE >Compact filter using coupled metamaterial mushroom resonators with corner vias
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Compact filter using coupled metamaterial mushroom resonators with corner vias

机译：使用带角通孔的耦合超材料蘑菇形谐振器的紧凑型滤波器

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摘要

In this paper, it is shown that the application of metamaterial resonators to the design of planar microwave filters provides a high level of miniaturization. Specifically, mushroom structure is used to synthesize microwave filters using the coupling coefficient approach. It is also shown that by changing the position of the metallic via in the mushroom cell from its center to corner, the resonance moves towards lower frequencies. This allows an easy structure size reduction which is critical in many applications. The magnetic and electric nature of the coupling coefficient is analyzed in detail. Finally, a bandpass filter operative at 2.46 GHz is simulated in ADS Momentum and also fabricated. The measured results show that the filter has an insertion loss less than 1.5 dB and bandwidth of 400 MHz with 15 dB rejection at 2.46 GHz. The dimensions of the experimental filter are 2.4 mm × 3.0 mm × 1.27 mm.
机译：本文表明，超材料谐振器在平面微波滤波器设计中的应用提供了很高的小型化水平。具体地，蘑菇形结构用于使用耦合系数方法来合成微波滤波器。还显示出，通过将蘑菇孔中的金属通孔的位置从其中心改变到拐角，谐振向较低的频率移动。这使得结构尺寸易于减小，这在许多应用中至关重要。详细分析了耦合系数的电磁性质。最后，在ADS Momentum中模拟并制造了工作于2.46 GHz的带通滤波器。测量结果表明，该滤波器的插入损耗小于1.5 dB，带宽为400 MHz，在2.46 GHz处的抑制率为15 dB。实验过滤器的尺寸为2.4毫米×3.0毫米×1.27毫米。

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