Universiti Teknologi Malaysia Institutional Repository

Design and development of high-gain wideband circularly polarized patch antenna

K. Aswad, Ali and Abdulrazak, Lway Faisal and Abd. Rahman, Tharek (2008) Design and development of high-gain wideband circularly polarized patch antenna. In: International RF and Microwave (RFM) Conference, 2008, UiTM Shah Alam.

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Official URL: http://dx.doi.org/10.1109/RFM.2008.4897368


New design of obtaining circular polarization (CP) radiation of a single-feed microstrip antenna is presented. The antenna substrate has an air-layer with thickness about 2.5% of the wavelength at a resonant operating frequency. By using a short probe pin the antenna can be excited easily. The two truncated opposite corners technique is used to obtain the circular polarized operation by selecting an optimal size of truncating. A flat ground plane with an optimal position for the probe pin is used to generate an impedance matching with a wide bandwidth. The CP patch antenna built for IEEE 802.11b/g (2.4 GHz ~ 2.4835 GHz) frequency bands. Measured -10 dB bandwidth is 14.3% and the measured S11, maximum gains and half-power beamwidth are, -41 dB, 8.3 dBi, 75deg respectively. The details of design and experimental results for the proposed design are presented and discussed.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:kiv record
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:Electrical Engineering
ID Code:18992
Deposited By: Mrs Liza Porijo
Deposited On:29 Nov 2011 05:21
Last Modified:11 Oct 2017 01:52

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