A Low Pass Filter Based on Spoof Surface Plasma Polaritons


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A low pass filter based on spoof surface plasma polaritons (SSPPs) was devised successfully, which possessed three-section structure, the microstrip wave guide as the first section, the conversion section as the second section, and the SSPPs as the third section. It should be noted that there is a new V-shaped groove structure in the third section, which were carried out by the simulation on characteristics of stop band rejection characteristic and bandwidth for low pass filter. These results indicated that the low pass filter had Pass-band between direct-current and 7.8592GHz, the pass-band insertion loss was better than -3dB, the pass-band reflection was less than -10dB. This new type of SSPPs low pass filter would be certain engineering value in the application of microstrip circuit, microwave base station and radar microwave communication system between L band and X band.



Edited by:

Prof. Seungho Hong




Z. W. Zeng et al., "A Low Pass Filter Based on Spoof Surface Plasma Polaritons", Key Engineering Materials, Vol. 744, pp. 428-432, 2017

Online since:

July 2017




* - Corresponding Author

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