The Minimization Of 5.75GHz Chebyshev Band Pass Filter

Chan, Chin Wei (2011) The Minimization Of 5.75GHz Chebyshev Band Pass Filter. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project presents the minimization of the conventional Chebyshev 9th order band pass filter at center frequency of 5.75GHz. The minimization of the band pass filter has taken considerations on the same design specification and performances. This thesis compares the simulations of Chebyshev band pass filter designed on two different dielectric substances which are the TLY-5A and FR4. Besides, the differences between two miniaturized band pass filters and the conventional based on each dielectric substance can be evaluated in this project simulations. The fabrication of the miniaturized band pass filters are realized using the FR4 dielectric substance. The miniaturized band pass filters are named as V-Type Chebyshev 9th order band pass filter and S-Type 9th order Chebyshev band pass filter. The insertion loss of V-Type band pass filter fabricated on FR4 with dielectric constant of 5.2 is -10.852dB whereas the bandwidth is 294MHz at 5.75GHz. On the other hand, the insertion loss of S-Type band pass filter fabricated on FR4 is -12.56dB whereas the bandwidth is 290MHz at 5.75GHz. With this research, smaller band pass filter can be used in application such as RF front end receiver and other communication systems in the future

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