微波平面三模谐振器滤波器

2011 National Postgraduate Conference Pub Date : 2011-09-01 DOI:10.1109/NATPC.2011.6136425

C. Sovuthy, W. P. Wen

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引用次数: 4

摘要

为实现高选择性窄带微波带通滤波器的小型化，提出了一种新型的微波平面三模谐振器滤波器结构，实现三模而非双模响应。该滤波器通过在谐振器中加入新颖的阶跃阻抗三模而小型化。该滤波器在1ghz时的通带带宽为6%。测量结果表明，该电路的通带插入损耗小于1.1 dB，回波损耗大于30 dB。

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Microwave planar triple-mode resonator filter

A novel microwave planar triple-mode resonator filter structure to achieve triple-mode rather than dual-mode response has been developed for miniaturization of high selectivity narrow-band microwave bandpass filter. The filter is miniaturized by incorporating a novel stepped impedance triple-mode into resonator. The filter has a passband bandwidth of 6% at 1 GHz. The measured result shows less than 1.1 dB passband insertion loss and more than 30 dB return loss are obtained.

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2011 National Postgraduate Conference

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