| 一种小型化带通滤波微带巴伦设计 |
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| 引用本文： | 张友俊,伍尚君.一种小型化带通滤波微带巴伦设计[J].微波学报,2022,38(1):85-89. |
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| 作者姓名： | 张友俊 伍尚君 |
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| 作者单位： | 上海海事大学 信息工程学院,上海 201306 |
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| 基金项目： | 国家自然科学基金(61775196) |
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| 摘 要： | 提出一种小型化带通滤波微带巴伦的设计.在Marchand巴伦的基础上,使用一个半波长和两个1/4波长传输线作为谐振器,在带通滤波微带巴伦的两个输出端口可以获得相同幅度和相反相位的平衡信号.利用谐振器平行线耦合可以观察到通带两侧存在两个传输零点.对提出的中心工作频率在2.65 GHz的带通滤波微带巴伦进行了实物加工与测试...
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| 关 键 词： | 巴伦 耦合谐振器 外部品质因素 耦合系数 |
A Design of Miniaturized Bandpass Filter Microstrip Balun |
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| ZHANG You-jun,WU Shang-jun.A Design of Miniaturized Bandpass Filter Microstrip Balun[J].Journal of Microwaves,2022,38(1):85-89. |
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| Authors: | ZHANG You-jun WU Shang-jun |
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| Affiliation: | School of Information Engineering, Shanghai Maritime University, Shanghai 201306, China |
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| Abstract: | A design of miniaturized bandpass filter microstrip balun is presented in this paper. On the basis of Marchand balun, using one half wavelength and two quarter wavelength transmission lines as resonators, the balanced signals with the same amplitude and opposite phase can be obtained at the two output ports of bandpass filter microstrip balun. Two transmission zeros on both sides of the passband can be observed by using the parallel line coupling of the resonator. The proposed bandpass filter microstrip balun with the center operating frequency of 2. 65 GHz is fabricated and measured. The amplitude and phase difference of the dual port output signal are ±0.4 dB and 180°±5° respectively. The simulation results are in good agreement with the measurement results, which also verifies the proposed scheme. |
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| Keywords: | balun coupled resonator external quality factor coupling coefficient |
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