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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >Compact ultra-wideband bandpass filter with configurable stopband based on diamond-shape resonator
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Compact ultra-wideband bandpass filter with configurable stopband based on diamond-shape resonator

机译：紧凑的超宽带带通滤波器，具有基于菱形谐振器的可配置阻带

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摘要

An ultra-wideband compact bandpass filter (BPF) with configurable stopband bytuning transmission zeroes is proposed in this paper. The ultra-wideband bandpassresponse is based on a diamond-shape resonator consisting of a pair of broadsidecoupled diamond-shape microstrip lines, within which a diamond shape defectedground structure (DGS) is etched in the middle. Flexible transmission zeros realizedby open and short stubs can be easily adjusted to improve band selectivity andharmonic suppression. Measurement result shows that the dedicated device has a3 dB fractional bandwidth of 148% (0.94-6.36 GHz) with 20 dB rejection stopbandfrom 6.87 to 9.7 GHz (77.5%) which agrees good with the simulate performance.The overall size of the proposed BPF is 0.27 λ_g × 0.23 λ_g.
机译：提出了一种通过调整传输零点来配置阻带的超宽带紧凑型带通滤波器（BPF）。超宽带带通响应基于菱形谐振器，该谐振器由一对宽边耦合的菱形微带线组成，其中中间刻有菱形缺陷接地结构（DGS）。通过短截线和短截线实现的灵活的传输零点可以轻松调整，以提高频带选择性和谐波抑制。测量结果表明，该专用设备的3 dB分数带宽为148％（0.94-6.36 GHz），在20 dB抑制阻带范围为6.87至9.7 GHz（77.5％），与仿真性能相吻合。 0.27λ_g×0.23λ_g。

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