Improvement of Band Pass Filter Using PBG and Aperture 


Vol. 28,  No. 10, pp. 847-852, Oct.  2003


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  Abstract

Apertures and PBG(Photonic Band Gap) has been employed on the ground plane in the coupled in the coupled line filter simultaneously. In order to observe the maximum bandwidth, we used the line gap 0.2mm which is can be made in our lab. Band-pass filter type is four-stage coupled strip line filter. Teflon has been used for the substrate (ε=3.2) The center frequency and the bandwidth are 2.18GHz and 230MHz, respectively. The bandwidth is broaden from 230MHz to 310MHz(80Mhz, about 34.7%)by aperture effect and harmonic frequencies are suppressed to 20-30dB by PBG effect. So the harmonic frequencies have been suppressed by the PBG effect and the bandwidth are broaden by aperture effect.

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  Cite this article

[IEEE Style]

S. Lee and C. Seo, "Improvement of Band Pass Filter Using PBG and Aperture," The Journal of Korean Institute of Communications and Information Sciences, vol. 28, no. 10, pp. 847-852, 2003. DOI: .

[ACM Style]

Seung-Jae Lee and Chul-Hun Seo. 2003. Improvement of Band Pass Filter Using PBG and Aperture. The Journal of Korean Institute of Communications and Information Sciences, 28, 10, (2003), 847-852. DOI: .

[KICS Style]

Seung-Jae Lee and Chul-Hun Seo, "Improvement of Band Pass Filter Using PBG and Aperture," The Journal of Korean Institute of Communications and Information Sciences, vol. 28, no. 10, pp. 847-852, 10. 2003.