IEICE Transactions on Communications
Online ISSN : 1745-1345
Print ISSN : 0916-8516
Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2012
Broad Bandwidth, Electrically Small, Non-Foster Element-Augmented Antenna Designs, Analyses, and Measurements
Ning ZHURichard W. ZIOLKOWSKI
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2013 Volume E96.B Issue 10 Pages 2399-2409

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Abstract

Several broad bandwidth, electrically small, non-Foster element-augmented antennas have been designed, analyzed and measured. Both electric loop (protractor) and electric dipole (Egyptian axe) structures have been selected as the near-field resonant parasitic (NFRP) elements for these antenna designs. In order to increase their instantaneous 10dB bandwidth, negative impedance convertor (NIC)-based capacitor and inductor elements have been designed accordingly to be incorporated internally into those NFRP elements. Proper design and analysis procedures for these systems are introduced. The simulated performance characteristics of the resulting non-Foster element-augmented protractor and Egyptian axe dipole antennas are presented. Favorable comparisons with their experimentally measured values are demonstrated.

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© 2013 The Institute of Electronics, Information and Communication Engineers
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