DESIGN OF COMPACT ELECTRONICALLY-TUNED BANDPASS FILTER WITH SHARP REJECTION SKIRT USING THE TRANS-DIRECTIONAL COUPLED LINE
DESIGN OF COMPACT ELECTRONICALLY-TUNED BANDPASS FILTER WITH SHARP REJECTION SKIRT USING THE TRANS-DIRECTIONAL COUPLED LINE
复制标题
利用横向耦合线的紧凑型锐抑制裙边电子调谐带通滤波器的设计
DOI：
10.2528/pierl20020704
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发表时间：
2020
影响因子：
0.9
通讯作者：
Wang Zhongbao
中科院分区：
文献类型：
--
作者：
Guo Xiaojian;Fang Shaojun;Liu Hongmei;Wang Zhongbao
提出了一种紧凑的具有锐抑制特性的频率调谐带通滤波器（BPF）。它是由一个跨向（TRD）耦合线和两个短路短截线。通过改变耦合线的电容值和短路短截线的电长度，得到了一种具有锐抑制的频率调谐带通滤波器。为了验证，从1.0 GHz到1.6 GHz（46.2%）调谐的原型设计和制造。测试结果表明，该结构的回波损耗大于17 dB，插入损耗为1.4 dB，3 dB带宽为43.2- 50%.尖锐的拒绝也得到了，同意与模拟结果。
A compact frequency-tuned bandpass filter (BPF) with sharp rejection characteristic is presented. It is composed of a trans-directional (TRD) coupled line and two short-circuited stubs. By changing the capacitor values of the coupled line and the electrical lengths of the short-circuited stubs, a frequency-tuned BPF with sharp rejection is obtained. For verification, a prototype tuned from 1.0 GHz to 1.6 GHz (46.2%) is designed and fabricated. The measured results show that the proposed structure exhibits the return loss of more than 17 dB, the insertion loss of 1.4 dB, and the 3-dB fractional bandwidth (BW) of 43.2–50%. Sharp rejections are also obtained, agreeing well with the simulation results.
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DOI：
10.1109/tmtt.2015.2409061
发表时间：
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影响因子：
4.3
作者：
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DOI：
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任意功率分配的改进耦合线跨向耦合器及其在180度混合系统中的应用
影响因子：
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DOI：
10.1109/tmtt.2009.2034219
发表时间：
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影响因子：
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