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Varactor-loaded compact folded dipole antenna for digital terrestrial radio reception

Record type: Article

A varactor-loaded folded dipole antenna is proposed for digital terrestrial radio reception. The antenna consists of a folded dipole with two pairs of varactors and controls resonant frequency without additional DC bias circuit. It has a compact structure with its arms bent. A prototype antenna with dimensions of 332 mm by 30 mm was printed on a polyethylene terephthalate film. The antenna in free space exhibited a frequency tuning range from 187 to 230 MHz, with a voltage standing wave ratio (VSWR) of less than 1.4 and gain from 1.4 to ?3.1 dBi. The antenna put on glass maintained a VSWR of less than 1.3 from 188 to 192 MHz for digital terrestrial radio band.

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Citation

Nakai, Makoto, Iizuka, Hideo, Sugiura, Shinya and Sato, Kazuo (2010) Varactor-loaded compact folded dipole antenna for digital terrestrial radio reception Microwave and Optical Technology Letters, 52, (7), pp. 1463-1466.

More information

Published date: 1 July 2010
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 270925
URI: http://eprints.soton.ac.uk/id/eprint/270925
ISSN: 0895-2477
PURE UUID: 22a0984f-6049-4677-8067-2666e6cef837

Catalogue record

Date deposited: 26 Apr 2010 19:46
Last modified: 18 Jul 2017 06:49

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Contributors

Author: Makoto Nakai
Author: Hideo Iizuka
Author: Shinya Sugiura
Author: Kazuo Sato

University divisions


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