Title :
Design a microstrip hairpin band-pass filter for 5GHZ unlicensed WiMAX
Author :
Wahab, Norfishah Abd ; Muhamad, Wan Norsyafizan W. ; Hamzah, M.M.A.M. ; Sarnin, S.S. ; Naim, Nani Fadzlina
Author_Institution :
Microwave Technol. Centre, Univ. Teknol., Mara, Malaysia
Abstract :
In this paper, a design of a microstrip hairpin bandpass filter with center frequency of 5.78 GHz is proposed. The filter is designed to operate within 10% operating bandwidth. CST software is fully utilized to simulate the response of hairpin bandpass filter. It will demonstrate the third order of the Tschebyshev elements. The specified pass band insertion loss must not exceed 3dB while the pass band return loss was to be more than 10dB. The filter was fabricated on RT/Duroid 5870 having a relative permittivity of 2.33, and substrate thickness 0.508mm respectively. The filter characteristics were then measured using Wiltron 562 vector network analyzer. The simulation results show a good agreement.
Keywords :
WiMax; band-pass filters; microstrip filters; permittivity; CST software; RT/Duroid 5870; Tschebyshev element; WiMAX; Wiltron 562 vector network analyzer; frequency 5.78 GHz; microstrip hairpin band-pass filter; pass band insertion loss; pass band return loss; relative permittivity; substrate thickness; Band pass filters; Microstrip filters; WiMAX; Hairpin resonator; bandpass filter; insertion loss; microstrip; return loss;
Conference_Titel :
Networking and Information Technology (ICNIT), 2010 International Conference on
Conference_Location :
Manila
Print_ISBN :
978-1-4244-7579-7
Electronic_ISBN :
978-1-4244-7578-0
DOI :
10.1109/ICNIT.2010.5508533
