An efficient, broad bandwidth, high directivity, electrically small antenna

Richard W. Ziolkowski, Ming Chun Tang, Ning Zhu

Research output: Contribution to journalArticlepeer-review

33 Scopus citations


Fundamental physics limits the performance characteristics of passive electrically small antennas. A 300 MHz design, which includes non-Foster elements and exceeds those limits, is reported. It simultaneously achieves high radiation efficiencies (>81.63%), high directivities (>6.25 dB), and large front-to-back-ratios (>26.71 dB) over a 10.0% fractional bandwidth.

Original languageEnglish (US)
Pages (from-to)1430-1434
Number of pages5
JournalMicrowave and Optical Technology Letters
Issue number6
StatePublished - Jun 2013
Externally publishedYes


  • broadband antennas
  • electrically small antennas
  • metamaterial-inspired antennas
  • non-Foster elements

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


Dive into the research topics of 'An efficient, broad bandwidth, high directivity, electrically small antenna'. Together they form a unique fingerprint.

Cite this