Abstract:In this article, we present an ultrawide‐angle scanning tightly coupled dipole array (TCDA). The impedance match issue is a major challenge in the design of ultrawide‐angle scanning TCDA. To overcome this issue, we employ a multi‐stage wideband balun and design the balun synergistically with the dipole element to improve impedance match performance. A double‐layer double‐sided (DLDS) superstrate is exploited to further improve scanning performance in the H plane. The capacitance of the DLDS Frequency Selective… Show more
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