| 2～18GHz超宽带YIG调谐带阻滤波器 |
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| 引用本文： | 何成潘. 2～18GHz超宽带YIG调谐带阻滤波器[J]. 磁性材料及器件, 2009, 40(6): 55-56,63 |
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| 作者姓名： | 何成潘 |
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| 作者单位： | 西南磁学应用研究所,四川绵阳,621000 |
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| 摘 要： | 将半集中参数的环耦合电路等效为截止频率很高的低通滤波器作为直通传输,YIG小球在外场的作用下等效为一个可变的L-C谐振回路,和低通滤波器叠加形成一个阻带中心频率可调的带阻滤波器.给出2～18GHz、16级等元件结构YIG调谐带阻滤波器的实验结果,该滤波器的直通损耗小于2dB,阻带高度大于40dB, 40dB阻带宽度大于8MHz,已达到实用水平.
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| 关 键 词： | YIG调谐带阻滤波器 原理 等效电路 器件性能 |
YIG-tuned Band-stop Filter With Ultra Wideband of 2-28GHz |
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| HE Cheng-pan. YIG-tuned Band-stop Filter With Ultra Wideband of 2-28GHz[J]. Journal of Magnetic Materials and Devices, 2009, 40(6): 55-56,63 |
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| Authors: | HE Cheng-pan |
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| Affiliation: | HE Cheng-pan Southwest Institute of Applied Magnetics,Mianyang 521000,China |
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| Abstract: | The superposition of semilumped parameter loop coupling circuit equivalent to a low-pass filter with high cut-off frequency for straight-through transimission,YIG sphere under applied magnetic field equivalent to a variable L-C tuned circuit and low-pass filter makes a band-stop filter with adjustable stop-band center frequency.Experiment was carried out on the 2-18GHz YIG-tuned band-stop filter with 16-stage equal components sturcture,and the filter has practical performance of straight-through loss of les... |
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| Keywords: | YIG-tuned band-stop filter principle equivalent circuit performance |
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