Advances in non-foster circuit augmented, broad bandwidth, metamaterial-inspired, electrically small antennas

Publication Type:
Conference Proceeding
Citation:
Proceedings of the International Telemetering Conference, 2012, 48
Issue Date:
2012-12-01
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There are always some intrinsic tradeoffs among the performance characteristics: radiation efficiency, directivity, and bandwidth, of electrically small antennas (ESAs). A non-Foster enhanced, broad bandwidth, metamaterial-inspired, electrically small, Egyptian axe dipole (EAD) antenna has been successfully designed and measured to overcome two of these restrictions. By incorporating a non-Foster circuit internally in the near-field resonant parasitic (NFRP) element, the bandwidth of the resulting electrically small antenna was enhanced significantly. The measured results show that the 10 dB bandwidth (BW10dB) of the non-Foster circuit-augmented EAD antenna is more than 6 times the original BW10dB value of the corresponding passive EAD antenna. © International Foundation For Telemetering, 2012.
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