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Feasibility of recently proposed leaky-wave antenna based on non-Foster-element-based transmission line is analyzed by fullwave numerical simulations. Analyzed structure comprises an ordinary microstrip line periodically loaded with non-Foster negative capacitors operating in RF 100 MHz band. The parameters of negative capacitors were taken from the measurements on the prototypes developed in ultra-fast OpAmp technology. Obtained results indicate that should be possible to build- up the leaky-wave antenna demonstrator with beam-squint-free radiation within the band 70 MHz – 110 MHz.
non-Foster; negative capacitor; leaky-wave antennas; metamaterials
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