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首页> 外文期刊>International Journal of Microwave and Wireless Technologies >A multi-mode resonator-based UWB bandpass filter with wide stopband
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A multi-mode resonator-based UWB bandpass filter with wide stopband

机译：具有宽阻带的基于多模谐振器的UWB带通滤波器

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摘要

In this paper, a novel multi-mode resonator is presented, which is formed by cascading several open-circuited transmission line sections with a coupled-line section. Owing to its symmetry, even- and odd-mode analysis methods are applied to analyze its resonance characteristic. Based on this resonator, a microstrip ultra-wide bandwidth (UWB) bandpass filter is designed, fabricated, and measured. The simulated and measured results show that its bandwidth can cover the desired UWB. Return loss in passband is better than -14 dB. This filter is featured by good selectivity and wide stopband. Stopband suppression as low as -40 dB can be achieved within frequency range from 12 to 16 GHz.
机译：在本文中，提出了一种新颖的多模谐振器，它是通过将多个开路传输线段与耦合线段级联而形成的。由于其对称性，偶数和奇数模式分析方法被用于分析其谐振特性。基于该谐振器，设计，制造和测量了微带超宽带（UWB）带通滤波器。仿真和测量结果表明，其带宽可以覆盖所需的UWB。通带中的回波损耗优于-14 dB。该滤波器的特点是选择性好，阻带宽。在12至16 GHz的频率范围内，可以实现低至-40 dB的阻带​​抑制。

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