采用平行耦合结构的三带带通滤波器设计

2016 5th International Symposium on Next-Generation Electronics (ISNE) Pub Date : 2016-05-04 DOI:10.1109/ISNE.2016.7543378

Teng-Yi Yang, Yi-Cheng Tsai, Shih‐Kun Liu

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引用次数: 0

摘要

提出了一种采用λ/4并联耦合阶跃阻抗微带的三带带通滤波器。三个通带的中心频率分别位于1.78 GHz、3.9 GHz和5.94 GHz。产生传输零以改善第一和第二通带之间的隔离。实验结果与模拟结果吻合较好。电路尺寸测量为0.04 λg × 0.75 λg。

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Design of tri-band bandpass filter using parallel coupled structures

A tri-band bandpass filter using λ/4 parallel-coupled stepped impedance microstrip is proposed. The center frequencies of the three passbands are located at 1.78 GHz, 3.9 GHz, and 5.94 GHz respectively. A transmission zero is generated to improve the isolation between the first and second passbands. The experimental results agree well with the simulated ones. The circuit size is measured to be 0.04 λg × 0.75 λg.

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来源期刊

2016 5th International Symposium on Next-Generation Electronics (ISNE)

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