双工器应用于使用平行耦合线的开存根带通滤波器

2011 IEEE MTT-S International Microwave Workshop Series on Intelligent Radio for Future Personal Terminals Pub Date : 2011-09-26 DOI:10.1109/IMWS2.2011.6027218

T. Jung, K. Yoon, Dong-Ki Lee, H. Nam, Hyunwook Lee, Jae-Yeong Lee, Kyo-Soon Choi, M. Lim, Jong‐Chul Lee

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引用次数: 2

摘要

本文提出了一种采用开存根带通滤波器(BPF)的双工器。该双工器由分布元件和平面衬底组成，具有良好的隔离特性。双工器在c波段无线通信系统的RX和TX工作频率分别为5.8 GHz和4.8 GHz。偏差频率为40mhz，滤波器带宽为10%。实验结果表明，滤波器在RX点和TX点的插入损耗小于2 dB，而回波损耗优于15 dB。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Duplexer application for a band-pass filter with open stub using parallel coupled-line

In this paper, a duplexer using the open stub band-pass filter(BPF) with parallel coupled line is presented. The suggested duplexer is composed of distributed elements and planar substrate and it has characteristic of excellent isolation. The operating frequencies of the duplexer are respectively 5.8 GHz and 4.8 GHz at the RX and TX for C-band wireless communication systems. Also, the deviation frequency is 40 MHz and the bandwidth of filter is 10 %. The experimental results for insertion losses of filters are less than 2 dB at RX and TX, while the return losses are better than 15 dB.

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来源期刊

2011 IEEE MTT-S International Microwave Workshop Series on Intelligent Radio for Future Personal Terminals

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