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首页> 外文期刊>Microwave and optical technology letters >COMPACT DESIGNS OF A BAND-PASS FILTER WITH NOVEL OPEN-LOOP RESONATORS
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COMPACT DESIGNS OF A BAND-PASS FILTER WITH NOVEL OPEN-LOOP RESONATORS

机译:带新型开环谐振器的带通滤波器的紧凑设计

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摘要

In this article, several square open-loop resonators with transmission lines are proposed to design the optimized bandpass filters. A compact microstrip filter using an open-loop resonator was designed, fabricated and measured. At the center frequency f{sub}0 = 1.80 GHz, a 3-dB bandwidth of 5% can be varied from 1.76 to 1.85 GHz. The filter shows a maximum insertion loss in passband of 0.1 dB. A transmission zero is realized at about 3.1 GHz, and the attenuation at this frequency exceeds 70 dB. When compared with the conventional filters using coupled square open-loop resonators, the proposed filter has a size reduction of 30%. Good agreement between measurements and simulations are obtained.
机译:在本文中,提出了几种带有传输线的方形开环谐振器来设计优化的带通滤波器。设计,制造和测量了使用开环谐振器的紧凑型微带滤波器。在中心频率f {sub} 0 = 1.80 GHz时,5%的3-dB带宽可以在1.76 GHz至1.85 GHz之间变化。滤波器显示通带中的最大插入损耗为0.1 dB。在大约3.1 GHz处实现零传输,并且该频率下的衰减超过70 dB。与使用耦合方形开环谐振器的传统滤波器相比,该滤波器的尺寸减小了30%。测量和模拟之间取得了良好的一致性。

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