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Contiguous collinear dipoles connected with non-Foster circuits (NFCs) was proposed for improving the bandwidth of arrays. Prior literature focused on use of ideal negative inductance and for broadside scan only. This paper presents results of a feasibility study to evaluate and characterize performance of dipole arrays loaded with non-Foster circuits in terms of VSWR, gain, bandwidth (L Ku band)...
We examine how the bandwidth of artificial magnetic conductors (AMC) can be greatly increased when loaded with negative-inductance Non-Foster circuits. This increase in bandwidth is achieved by enhancing the structural inductance of the AMC by combining it in parallel with a negative inductance, thus achieving a bandwidth that exceeds what is possible with passive approaches. A prototype VHF-UHF active...
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