Novel miniaturized low-pass filters from artificial transmission line structures

Wu Xin; Huang Wen; Tong Fan; Liu Changjun

doi:10.3788/HPLPB20132511.2919

Volume 25 Issue 11

Dec. 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(11): 2919-2921

Jia Rui, Wang Qingguo, Wang Shuqiao, et al. Model of field-to-line coupling in a reverberation chamber based on transmission line theory[J]. High Power Laser and Particle Beams, 2014, 26: 014006. doi: 10.3788/HPLPB201426.014006

Citation:

Wu Xin, Huang Wen, Tong Fan, et al. Novel miniaturized low-pass filters from artificial transmission line structures[J]. High Power Laser and Particle Beams, 2013, 25: 2919-2921. doi: 10.3788/HPLPB20132511.2919

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Novel miniaturized low-pass filters from artificial transmission line structures

doi: 10.3788/HPLPB20132511.2919

1.
School of Electronics and Information Engineering,Sichuan University,Chengdu 610064,China

Received Date: 2013-04-28
Rev Recd Date: 2013-07-08
Publish Date: 2013-10-28

Abstract

Abstract

A novel design on miniaturized low-pass filters from artificial transmission line structures is proposed. Reactance components, i. e. capacitors and inductors, are directly constructed from microstrip structures based on electromagnetic simulation and parameter extraction. The constructed reactance components are integrated to build low-pass filters. The results of two 5th-order Butterworth and 0.5 dB ripple Chebyshev low-pass filters, which are realized by the proposed method, are presented. The proposed low-pass filter is compact and its size is only 23% of a conventional filter. The simulation agrees well to the measurements, which shows the validation of the proposed design method. The miniaturized low-pass filters have good applications in microwave systems.
- microstrip filter,
- miniaturization,
- artificial transmission line,
- reactance components,
- electromagnetic simulation

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