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      VHF suspended plate transmitter antenna design for DVB-T and DAB-T

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      Embargo Lift Date: 2019-04-24
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      Author(s)
      Ali, A.
      Ciydem, M.
      Altintas, A.
      Koc, S.
      Date
      2018
      Source Title
      Microwave and Optical Technology Letters
      Print ISSN
      0895-2477
      Electronic ISSN
      1098-2760
      Publisher
      John Wiley and Sons
      Volume
      60
      Issue
      6
      Pages
      1536 - 1546
      Language
      English
      Type
      Article
      Item Usage Stats
      177
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      213
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      Abstract
      This paper presents the design of stacked suspended plate transmitter antenna for digital video and audio broadcasting. Contrary to conventional dipole structures, we have designed the antenna in VHF band (174-254 MHz) with two plates for wideband matching and design flexibility. Radiating primary plate has been excited by novel wideband modified inverted L-type probe. Parasitic secondary plate, and vertical wall between primary plate, and ground plane have been used for further matching and beamwidth adjustment. A bandwidth of 42% and gain of 8.5 dBi is obtained at center frequency. Together with equivalent lumped element circuit model of designed antenna and experimental results for S11, gain, and radiation pattern are presented. To the best of authors knowledge this is the first stacked suspended plate antenna achieving a record bandwidth of 42% in VHF band.
      Keywords
      DAB-T
      DVB-T
      Equivalent circuit model
      Inverted L-type probe
      SSPA
      Permalink
      http://hdl.handle.net/11693/49951
      Published Version (Please cite this version)
      https://doi.org/10.1002/mop.31196
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      • Department of Electrical and Electronics Engineering 3863
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