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A narrow compact band pass filter with second harmonics suppression using the T‐SRR in MNG metamaterial
Author(s) -
Yoon KiCheol,
Lee HyunWook,
Lee JongChul,
Kim SeongCheol
Publication year - 2014
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.28161
Subject(s) - harmonics , return loss , center frequency , metamaterial , split ring resonator , bandwidth (computing) , insertion loss , resonator , optics , harmonic , microwave , materials science , physics , transmission line , wavelength , optoelectronics , band pass filter , electrical engineering , acoustics , telecommunications , engineering , voltage , quantum mechanics , antenna (radio)
In this article, a new narrow band pass filter (BPF) with second harmonic suppression using triple‐split ring resonator (T‐SRR) in mu‐negative metamaterial on Teflon substrate is presented. Then by replacing the series quarter‐wavelength transmission lines with the equivalent T‐shaped line, a compact‐BPF with second harmonic suppression can be obtained. This filter shows an insertion loss of 0.47 dB and return loss of 21.8 dB with bandwidth of 10% at the center frequency of 10 GHz. Also, the experimental result for the second harmonic (S 21 ) suppression is 17.7 dB at a frequency of 14.7 GHz. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:535–538, 2014