Mesoband pulse radiator design with circuit model analysis of spark gap switch

Sang Heun Lee, Jihwan Ahn, Young Joong Yoon, Sang Hoon Nam, Woo Sang Lee, Joon Ho So

Research output: Contribution to journalArticle

Abstract

In this paper, a mesoband pulse radiator fed by a spark gap switch is designed, and its radiation characteristics are analyzed. Initially, a modified equivalent circuit model of spark gap switch is proposed to enable detailed explanation and fast design. Then, dual resonant characteristic due to the higher order mode of a mesoband pulse radiator is newly analyzed by changing the dipole length and radius. According to the analyzed results, the variation of the dipole length affects not only the radiating power, but also the operating frequency and bandwidth. The measured 3-dB bandwidth of the designed pulse radiator is about 57% (λ = 1.15 m), meeting the need for a mesoband condition. The radiated electric field at 4 m from the radiator has a peak of 7.19 kV/m.

Original languageEnglish
Article number6623148
Pages (from-to)3143-3150
Number of pages8
JournalIEEE Transactions on Plasma Science
Volume41
Issue number11
DOIs
Publication statusPublished - 2013 Oct 7

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spark gaps
radiators
switches
pulses
dipoles
bandwidth
equivalent circuits
radii
electric fields
radiation

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

Cite this

Lee, Sang Heun ; Ahn, Jihwan ; Yoon, Young Joong ; Nam, Sang Hoon ; Lee, Woo Sang ; So, Joon Ho. / Mesoband pulse radiator design with circuit model analysis of spark gap switch. In: IEEE Transactions on Plasma Science. 2013 ; Vol. 41, No. 11. pp. 3143-3150.
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Mesoband pulse radiator design with circuit model analysis of spark gap switch. / Lee, Sang Heun; Ahn, Jihwan; Yoon, Young Joong; Nam, Sang Hoon; Lee, Woo Sang; So, Joon Ho.

In: IEEE Transactions on Plasma Science, Vol. 41, No. 11, 6623148, 07.10.2013, p. 3143-3150.

Research output: Contribution to journalArticle

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