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Microstrip rectangular ring bandpass filter design using high permittivity substrate

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4 Author(s)

A selective bandpass filter with using microstrip rectangular ring resonator is proposed for wireless LAN system such as IEEE 802.11 systems (2.45GHz or 5.25GHz). The miniaturized bandpass filter is implemented using a high permittivity dielectric substrate. The full-wave simulator IE3D is used to design the microstrip rectangular ring filter. The responses of the implemented filter using Sm(Co12 /,Ti12 /)O3r = 25.5, tanγ = 0.00013) dielectric substrate are designed at dual-band frequencies of 2.45GHz and 5.25GHz. The compacted size and good agreement have been obtained between simulations and implementation results.

Published in:

Microwave Conference Proceedings, 2005. APMC 2005. Asia-Pacific Conference Proceedings  (Volume:5 )

Date of Conference:

4-7 Dec. 2005