Design Of Slotted Meander Line Antenna With Probe Feed Method For ISM Band Application

Nur Aishah, Zainuddin (2012) Design Of Slotted Meander Line Antenna With Probe Feed Method For ISM Band Application. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Nowadays, the development of wireless communication is become more important and antennas are the essential of wireless communication. Currently, users demand to have small size of device that can be brought anywhere without the use of wire and to fulfill the demand, small size of antenna is needed. Therefore it has become the objective for this project to design, simulate and fabricate slotted meander line antenna which operates at 2.4GHz where meander line technique is used for miniaturization purpose. However, meander line produces narrow bandwidth and to overcome the problem, slots are introduced to the meander line antenna because the bandwidth of antenna with slots is wider. Many designs of slotted meander line antenna are produced and they are analyzed based on the number of slotted meander line used. Antenna with 2 slotted meander lines produces the highest simulation return loss of -24.54 dB but has a low gain of 1.46 dB. Antenna with 3 slotted meander lines produced highest gain among all designs with 4.02 dB but the widest bandwidth is produced by antenna with 6 slotted meander lines with 43.01 MHz.The results also shows that the resonant frequency for all slotted meander line antenna designed, is shifted backward. The size reduction of the patch has made the resonant frequency shifted forward until reaching 2.4GHz. Antenna with 2 slotted meander line has the most size reduction of approximately 23% from the original size.3 designs are chosen to be fabricated and the result of simulation and measurement process is compared. Computer Simulation Tools (CST) Studi Suite 2010 is used for the simulation of designed process.

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