A key challenge in the design of wideband dipole phased arrays is the design of equally
wideband baluns which are sufficiently compact to fit within the unit cell (typically in the …

An extremely wideband (EWB) antenna array is presented that covers the UHF to C-bands
(0.13-6 GHz). The array has dual-linear polarization and is capable of wide-angle scanning …

Tightly coupled array (TCA) antenna has become a hot topic of research recently, due to its
potential of enabling one single antenna array to operate over an extremely wide frequency …

Matching bandwidth limits are developed for antenna arrays backed by a perfect electrically
conducting (PEC) ground plane. We model a general array in the long wavelength limit as a …

Digital beamformers combined with ultrawideband (UWB) antennas are essential for
realizing cognitive and software defined radios. Concurrently, advances in digital technology …

An ultra-wideband (UWB) phased array is presented operating from UHF to C-bands (0.14
to 5.85 GHz). This new design employs an integrated, compact tapered spline balun in …

A bandwidth limit was recently developed for antenna arrays backed by a PEC ground
plane, under pure TE or TM polarization. In this paper, we extend this result to account for …

An innovative ultrawideband (UWB) frequency-reconfigurable tightly coupled dipole array
(FR-TCDA) is presented. The design realizes high radiation efficiency and wide beam-scan …

Metamaterial structures provide innovative ways to manipulate electromagnetic wave
responses to realize new applications. This paper presents a conformal wideband …

Ultrawideband (UWB) phased arrays play an increasingly indispensable role in emerging
communication and sensing systems. Multifunctional apertures, advanced radars, software …