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A compact quad-band bandpass filter with high skirt selectivity based on stub-loaded resonators and λ/4 resonators

机译:基于短负载谐振器和λ/ 4谐振器的紧凑型四频带通滤波器,具有高裙边选择性

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In this paper, a quad-band bandpass filter (BPF) with compact size and high skirt selectivity is proposed by using j both stub-loaded resonators (SLRs) and λ/4 resonators. One set of SLRs is utilized not only to generate the lower passbands but also to feed the λ/4 resonators. Three extra transmission zeros (TZs) are created in the stopband by using a zero feed structure. For demonstration, a exemplary filter has been designed and fabricated. Good agreement is observed between the simulated and measured results.
机译:在本文中,通过同时使用短负载谐振器(SLR)和λ/ 4谐振器,提出了具有紧凑尺寸和高裙边选择性的四频带带通滤波器(BPF)。一组SLR不仅用于生成较低的通带,而且还用于为λ/ 4谐振器供电。通过使用零馈送结构在阻带中创建三个额外的传输零(TZ)。为了演示,已经设计并制造了示例性滤波器。在模拟结果和测量结果之间观察到良好的一致性。

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