Study and design of a capacitively coupled polymeric internal antenna

A capacitively coupled polymeric internal antenna is introduced for Bluetooth or GPS applications. Such an antenna can be easily fabricated on a flexible film substrate and attached to the inside surface of the plastic housing of a portable wireless device, such as a PDA. The proposed antenna saves...

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Veröffentlicht in:IEEE transactions on antennas and propagation 2005-03, Vol.53 (3), p.985-993
Hauptverfasser: Shams, K.M.Z., Ali, M.
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container_title IEEE transactions on antennas and propagation
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Ali, M.
description A capacitively coupled polymeric internal antenna is introduced for Bluetooth or GPS applications. Such an antenna can be easily fabricated on a flexible film substrate and attached to the inside surface of the plastic housing of a portable wireless device, such as a PDA. The proposed antenna saves critical space on the printed circuit board (PCB) and eliminates the need for a vertical contact feed. Thus manufacturing is also simplified and cost is reduced. Practical examples of utilizing such a concept for Bluetooth (2.45 GHz) and GPS (1.575 GHz) applications are provided. The antenna system requires a small coupling plate (as small as 4 by 4 mm/sup 2/) that can be easily surface mounted on a PCB. The solution proposed provides wideband operation satisfying Bluetooth functionality with good radiation pattern and gain.
doi_str_mv 10.1109/TAP.2004.842650
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source IEEE Electronic Library (IEL)
subjects Antenna
Antenna feeds
Antennas
Applied sciences
Bluetooth
capacitively-coupled
Costs
Coupling circuits
Equipments and installations
Exact sciences and technology
Flexible printed circuits
Global Positioning System
internal
Manufacturing
Plastic films
polymeric
Polymers
Radiocommunications
Radiorelay links
Satellite telecommunications. Space telecommunications
Substrates
Telecommunications
Telecommunications and information theory
wireless
title Study and design of a capacitively coupled polymeric internal antenna
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