Design Of Tulip And Hibiscus Antenna

Syazana Basyirah , Mohammad Zaki (2010) Design Of Tulip And Hibiscus Antenna. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Microstrip patch antenna shapes that been used for this project is tulip and hibiscus shaped. This tulip and hibiscus antennas eschew a dielectric substrate and suspend a metal patch in air above a ground plane using dielectric spacers; the resulting structure is less robust but provides better bandwidth. Because these antennas have a very low profile, are mechanically rugged and can be conformable, they can be applied on the exterior of aircraft and spacecraft, or are incorporated into mobile radio communications devices. The main purpose of this project is to design tulip and hibiscus antenna with a certain frequency, bandwidth, gain, structure and layout. The focus is on microstrip and printed antenna design. The scope of work in the design is the simulation parts which involved with some materials and tools using parametric study. The parameter (ISM frequency, bandwidth, gain, VSWR) in the design of tulip and hibiscus antenna is simulated using CST software. FR4 microstrip board is used for fabrication, measurement and testing. The measurement of the parameter (ISM frequency, bandwidth, gain, VSWR) of tulip and hibiscus antenna is done using Vector Network Analyzer. The best performance of tulip antenna is the antenna that has quarter-wave feedline. This can be observed through the value of resonance frequency, fr and the return loss that achieved.

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