Analysis of a tunable electrically small antenna

B. Esser, S. Beeson, J. Dickens, J. Mankowski, A. Neuber

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations


A tunable, metamaterial-inspired, electrically small antenna topology is evaluated for a possible future use as the principle radiating element in a mobile Ionospheric Heating (MIH) system the RF source signal is fed via a 50 Ω coaxial cable into a small semi-loop antenna (SLA). This inductively couples to a capacitively loaded loop (CLL) providing a natural 50 Ω match to the source the resonant frequency of the antenna can be adjusted by varying the capacitance of the CLL via inserting a large permittivity dielectric. A simplified circuit model is used to show that the resonant frequency can be tuned between 40-100 MHz. Also, the maximum power handling capabilities achievable with this antenna topology at frequencies relevant to ionospheric heating (∼ 10 MHz and below) are estimated.

Original languageEnglish
Title of host publication2015 IEEE Pulsed Power Conference, PPC 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479984039
StatePublished - Oct 12 2015
EventIEEE Pulsed Power Conference, PPC 2015 - Austin, United States
Duration: May 31 2015Jun 4 2015

Publication series

NameDigest of Technical Papers-IEEE International Pulsed Power Conference


ConferenceIEEE Pulsed Power Conference, PPC 2015
Country/TerritoryUnited States


  • Antennas
  • Capacitance
  • Computational modeling
  • Dielectric losses
  • Integrated circuit modeling
  • Resonant frequency


Dive into the research topics of 'Analysis of a tunable electrically small antenna'. Together they form a unique fingerprint.

Cite this