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Novel Differential Bandpass Filter Using Spoof Surface Plasmon Polaritons.
- Source :
-
IEEE Transactions on Plasma Science . Jun2020, Vol. 48 Issue 6, p2083-2088. 6p. - Publication Year :
- 2020
-
Abstract
- In this article, a novel differential bandpass filter based on periodic spoof surface plasmon polaritons (SSPPs) is proposed. It consists of a pair of double-layer SSPPs using double-sided parallel-strip line (DSPSL), a pair of single-layer SSPPs, and a 180° phase inverter. The transmission characteristics of the proposed SSPPs’ structure are analyzed by the differential-mode and common-mode method, and also applied to design the differential filter. To validate the design concept, a differential filter sample has been designed, fabricated, and measured. The simulated and measured results indicate a 3-dB fractional bandwidth of 25.5% (frequency 5.5 GHz), and a wide 20-dB common-mode suppression from 2.9 to 8 GHz can be achieved for the differential filter. [ABSTRACT FROM AUTHOR]
- Subjects :
- *POLARITONS
*BANDPASS filters
*ELECTRIC lines
Subjects
Details
- Language :
- English
- ISSN :
- 00933813
- Volume :
- 48
- Issue :
- 6
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Plasma Science
- Publication Type :
- Academic Journal
- Accession number :
- 144948486
- Full Text :
- https://doi.org/10.1109/TPS.2020.2987037