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


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), 1463-1466.

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Description/Abstract

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.

Item Type: Article
Divisions: Faculty of Physical Sciences and Engineering > Electronics and Computer Science
ePrint ID: 270925
Date Deposited: 26 Apr 2010 19:46
Last Modified: 27 Mar 2014 20:16
Further Information:Google Scholar
ISI Citation Count:0
URI: http://eprints.soton.ac.uk/id/eprint/270925

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