Abstract
We have demonstrated that the magnetic-based, metamaterial-inspired electrically small antennas that incorporate a lumped element capacitor can to be scaled to lower frequencies without changing their accepted power performance. This occurs without the intervention of any external matching circuit. On the other hand, the overall efficiency decreases significantly because of conductive losses arising from increasing current densities in the copper structures. We are continuing our investigations to determine if other variations of these structures can mitigate some of the copper losses at the lower VHF frequencies.
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