Two-port representation of an antenna with application to non-foster matching networks

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75 Scopus citations


A new theoretical tool is introduced for treating an antenna as a two-port network. This tool is very useful for allowing the antenna and its matching network to be analyzed and optimized in a circuit simulator. In this paper, we apply the idea to the situation where the matching network of the antenna incorporates non-Foster (active) matching elements, and so overall circuit stability becomes an overriding consideration. Non-Foster matching networks are particularly interesting because they offer the potential to transform the antenna into an active component that is no longer limited by the gain-bandwidth-size constraints of passive antennas, and whose performance can be improved as semiconductor technology advances.

Original languageEnglish (US)
Pages (from-to)1218-1222
Number of pages5
JournalIEEE Transactions on Antennas and Propagation
Issue number5
StatePublished - May 2008


  • Active antennas
  • Antenna theory
  • Impedance matching

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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