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In this paper, the design of a micro strip patch antenna is reported which can be operated at GPS (Global Positioning System) and Bluetooth frequencies. Very small thin micro strip antenna is excited by a co-axial SMA connector to produce centre frequency of a Bluetooth system and the correct feed position is determined for impedance matching. Then a thin parasitic micro strip patch is coupled with...
The concept of multi-functional operation using a single dielectric resonator for radiation, oscillation and filtering purposes is discussed in this paper. Different design realizations are presented to investigate and prove the claimed concept. A dual mode operation for oscillation and radiation characteristics using single dielectric resonator enclosed by modified rectangular cavity has been developed...
In this paper, we propose a slim printed Yagi antenna. The length of the proposed antenna is reduced by 43% compared with a typical dipole antenna applying the meander structure. In addition, the spacing between the antenna and the reflector is designed as 0.01lambda. A folded dipole and a lumped balun transformer were adopted to compensate the low radiation resistance caused by the reduced spacing...
In this paper, a small antenna for the applications of GPS and DCS systems by utilizing the CPW feeding structure is proposed to provide the LP and CP radiation patterns. The CPW feeding structure possesses the advantages, such as low radiation loss, less dissipation, uniplanar structure without the ground plane, and easy integration with RF/microwave circuits, enabling a miniature hybrid or monolithic...
Microstrip Antennas (MSAs) consist of a metallic radiating patch on one side of thin dielectric substrate and other side is ground plane. Most important advantages of MSAs are low profile, light weight and compatibility with integrated circuit technology. MSAs are used in mobile communication, satellite communication, radar, direct broadcasting, global positioning systems and remote sensing. The major...
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