Paper
16 December 2022 A tunable filter with long hole resonance structure
Chang Zhou, Jing Xia, Zhongwei Wang, Nan Wang
Author Affiliations +
Proceedings Volume 12500, Fifth International Conference on Mechatronics and Computer Technology Engineering (MCTE 2022); 1250042 (2022) https://doi.org/10.1117/12.2660400
Event: 5th International Conference on Mechatronics and Computer Technology Engineering (MCTE 2022), 2022, Chongqing, China
Abstract
In this paper, a new type of electrically tunable filter is designed based on the long hole structure. The results show that the frequency adjustable range of the new filter is from 210MHz to 350MHz, the bandwidth is more than 3%, the insertion loss is not more than -3dB and the insertion loss is better than - 14dB, respectively. The electrical performance of the new filter is better than that of the original comb line filter and the weight is 0.3Kg, which is only 30% of the original electrically tunable filter. The results show that the design method of the long hole structure is reasonable and has excellent performance. This new kind of filter would have good application prospect in EMC design.
© (2022) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Chang Zhou, Jing Xia, Zhongwei Wang, and Nan Wang "A tunable filter with long hole resonance structure", Proc. SPIE 12500, Fifth International Conference on Mechatronics and Computer Technology Engineering (MCTE 2022), 1250042 (16 December 2022); https://doi.org/10.1117/12.2660400
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KEYWORDS
Tunable filters

Metals

Electronic filtering

Capacitance

Inductance

Linear filtering

Electromagnetic scattering theory

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