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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Novel Microstrip Ultra-Wideband Bandpass Filter Using Radial-Stub-Loaded Structure
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Novel Microstrip Ultra-Wideband Bandpass Filter Using Radial-Stub-Loaded Structure

机译：采用径向短截线加载结构的新型微带超宽带带通滤波器

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摘要

A novel planar ultra-wideband (UWB) bandpass filter (BPF) using radial-stub-loaded resonator is proposed, where the resonator consists of three radial stubs, one located in the middle and two symmetrically at both sides. This radial-stub-loaded structure situates the first four resonant modes in the UWB passband (3.1 similar to 10.6 GHz) and makes the fifth resonant mode far away from this passband. To enhance the coupling degree, two interdigital coupled feed lines are utilized in this UWB filter. Finally, a UWB BPF with wide upper-stopband and sharp upper rejection skirt has been realized and its design steps have been also presented. The measured and full-wave simulated results of the proposed filter are in good agreement.
机译：提出了一种使用径向短管加载谐振器的新型平面超宽带（UWB）带通滤波器（BPF），其中谐振器由三个径向短管组成，一个位于中间，两个对称于两侧。这种径向短截线加载的结构将UWB通带中的前四个谐振模（位于类似于10.6 GHz的3.1处），并使第五个谐振模远离该通带。为了提高耦合度，在此UWB滤波器中使用了两条叉指耦合馈线。最后，实现了具有较宽的上阻带和较尖的上剔除裙边的UWB BPF，并介绍了其设计步骤。所提滤波器的实测和全波仿真结果吻合良好。

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