| 梳状线可调带通滤波器的设计与仿真 |
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| 引用本文： | 陈凯,宋长宝,杨景曙,蒋勤升. 梳状线可调带通滤波器的设计与仿真[J]. 计算机工程与应用, 2013, 0(22): 227-230,257 |
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| 作者姓名： | 陈凯 宋长宝 杨景曙 蒋勤升 |
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| 作者单位： | [1]电子工程学院,合肥230037 [2]中国人民解放军93617部队,合肥230037 |
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| 摘 要： | 针对现有的微带可调滤波器中心频率调节范围较窄的问题，依据梳状滤波器的原理和变容二极管的特性，设计出一种梳状线可调带通滤波器，经ADS仿真可得其中心频率可调范围达到0．49～5．08GHz、相对带宽仅为6．1％～9．4％，该梳状线可调带通滤波器具有中心频率调节范围很宽、结构简单、易于实现、易于扩展等优点，在工程上具有一定的推广应用价值。
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| 关 键 词： | 梳状滤波器 可调带通滤波器 变容二极管 先进设计系统（ADS） |
Design and simulation of combline tunable bandpass filter |
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| CHEN Kai,SONG Changbao,YANG Jingshu,JIANG Qinsheng. Design and simulation of combline tunable bandpass filter[J]. Computer Engineering and Applications, 2013, 0(22): 227-230,257 |
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| Authors: | CHEN Kai SONG Changbao YANG Jingshu JIANG Qinsheng |
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| Affiliation: | 1.Electronic Engineering Institution PLA, Hefei 230037, China 2.93617 Unit of PLA, China) |
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| Abstract: | The modulation range of microstrip tunable filter＇ central frequency is too narrow, to solve this problem, this paper designs a kind of tunable bandpass filter according to the theory of combline filter and the characteristic of variable capacitance diode.The simulation result of ADS proves that the modulation range of this tunable filter＇ central frequency range from 0.49 GHz to 5.08 GHz, relative bandwidth is only 6.1%~9.4%.This combline tunable bandpass filter has many merits, such as the modula- tion range of its central frequency is very wide, the structure is simple, easy to be realizee, and convenient to be expanded.This tunable filter has definite application value in engineering field. |
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| Keywords: | combline filter tunable bandpass filter variable capacitance diode Advanced Design System （ADS） |
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