| 一种微带开路环双工器的设计 |
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| 引用本文： | 曹海林,陈世勇,杨士中.一种微带开路环双工器的设计[J].重庆邮电大学学报(自然科学版),2006,18(1):26-29. |
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| 作者姓名： | 曹海林 陈世勇 杨士中 |
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| 作者单位： | 重庆大学,通信工程学院,重庆,400044;重庆大学,通信工程学院,重庆,400044;重庆大学,通信工程学院,重庆,400044 |
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| 摘 要： | 介绍了一种高隔离度微带双工器的设计方法，该双工器由2个在通带附近具有一对传输零点的微带带通
滤波器组成，分析了具有传输零点带通滤波器的设计方法，给出了中心频率为1.85GHz，分数带宽为10.5%和中
心频率为2.15GHz分数带宽为9%的微带开路环带通滤波器设计实例，利用微波cad软件对连接双工器T型
接头的微带尺寸进行了优化，仿真结果表明该双工器具有较好的频带响应及隔离度。
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| 关 键 词： | 微带线 传输零点 双工器 |
| 文章编号： | 1004-5694(2006)01-0026-04 |
| 收稿时间： | 2005/5/30 0:00:00 |
| 修稿时间： | 2005年5月30日 |
Design of micro-strip open loop diplexers |
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| CAO Hai-lin,CHEN Shi-yong,YANG Shi-zhong.Design of micro-strip open loop diplexers[J].Journal of Chongqing University of Posts and Telecommunications,2006,18(1):26-29. |
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| Authors: | CAO Hai-lin CHEN Shi-yong YANG Shi-zhong |
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| Institution: | Collgeg of Communication Engineering,Chongqing University, Chongqing 40044,P.R.China |
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| Abstract: | A design method of micro-strip open loop diplexers with good isolation is presented. The micro-strip diplexers are made up with two highly selective micro-strip bandpass filters, which have a pair of transmission zeros between the pass bands. In the paper, the design method of micro-strip open loop bandpass filter is introduced, and one example of filter with 1.85 GHz center frequency, 10.5% fractional bandwidth and the second one with 2.15 GHz center frequency, 9% fractional bandwidth are given. With the aid of microwave CAD software, the value of T conjunction micro-strip line of diplexers is optimized. The result of simulation shows the micro-strip open loop diplexers has excellent frequency response and high isolation. |
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| Keywords: | micro-strip line transmission zeros duplexer |
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