Effect of the defected microstrip structure shapes on the performance of dual-band bandpass filter for wireless communications

descriptionPublicationkeyboard_double_arrow_right Article 01 Feb 2021Publisher:Institute of Advanced Engineering and ScienceJournal:Bulletin of Electrical Engineering and Informatics, volume 10, pages 232-240 (issn: 2089-3191, eissn: 2302-9285,

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Authors: Mussa Mabrok; Zahriladha Zakaria; Yully Erwanti Masrukin; Tole Sutikno; Hussein Alsariera;

doi: 10.11591/eei.v10i1.2662

Effect of the defected microstrip structure shapes on the performance of dual-band bandpass filter for wireless communications

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Abstract

Due to the progression growth of multiservice wireless communication systems in a single device, multiband bandpass filter has attract a great attention to the end user. Therefore, multiband bandpass filter is a crucial component in the multiband transceivers systems which can support multiple services in one device. This paper presents a design of dual-band bandpass filter at 2.4 GHz and 3.5 GHz for WLAN and WiMAX applications. Firstly, the wideband bandpass filter is designed at a center frequency of 3 GHz based on quarter-wavelength short circuited stub. Three types of defected microstrip structure (DMS) are implemented to produce a wide notch band, which are T-inversed shape, C-shape, and U- Shape. Based on the performance comparisons, U-shaped DMS is selected to be integrated with the bandpass filter. The designed filter achieved two passbands centered at 2.51 GHz and 3.59 GHz with 3 dB bandwidth of 15.94 % and 15.86 %. The proposed design is very useful for wireless communication systems and its applications such as WLAN and WiMAX

Related Organizations

Technical University of Malaysia Malacca
Malaysia
Universitas Ahmad Dahlan
Indonesia

Keywords

Dual band, Wireless communications, Wideband, Band-pass filter, Defected microstrip structure

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