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A Capacitively loaded Antenna for use in Mobile Handsets

Elfergani, Issa T.
; ; 
See, Chan H.
; 
Child, Mark B.
; 
Excell, Peter S.
Publication Date
2010-11-08
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Keywords
Tunable antennas, Loaded antennas, Mobile handset, Varactor diodes
Rights
© 2010 IEEE. Reprinted, with permission: Elfergani ITE, Abd-Alhameed RA, See CH, Child MB and Excell PS (2010) A Capacitively loaded Antenna for use in Mobile Handsets. In: Loughborough Antennas & Propagation Conference (LAPC10), 8-9 November 2010, Loughborough, UK. IEEE. ISBN: 978-1-4244-7306-9/10: 441-444.. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bradford's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.
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Accepted for publication
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Abstract
A tuneable slotted patch antenna design is presented and verified for use in the DCS, PCS and UMTS bands. The tuning circuit consists of two varactor diodes with some passive components, and is integrated fully with the r radiator patch, with the varactors occupying different locations over the slot. The tuning does not require any further modification to the patch or feed geometry. Good agreement is observed between the predicted and observed impedance bandwidth, return loss, gain and radiation pattern, throughout the range 1.70 GHz-2.05 GHz.
URI
http://hdl.handle.net/10454/4789
Version
Accepted manuscript
Citation
Elfergani ITE, Abd-Alhameed RA, See CH, Child MB and Excell PS (2010) A Capacitively loaded Antenna for use in Mobile Handsets. In: Loughborough Antennas & Propagation Conference (LAPC10), 8-9 November 2010, Loughborough, UK. IEEE: 441-444.
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Link to Version of Record
https://doi.org/10.1109/LAPC.2010.5666208
Type
Conference paper
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