A 1-Bit Phase-Reconfigurable Equivalent Magnetic Dipole Element Applied to Wide-Angle Scanning Phased Array

In this paper, a 1-bit phase-reconfigurable aperture coupled equivalent magnetic dipole element operating at the Cband is proposed. The element contains a symmetrical feeding network and an equivalent magnetic dipole placed on the ground. By utilizing two PIN diodes, various feeding paths can be selectively activated to achieve a 1-bit reconfigurable phase shift (0°/180°). Simulated results show that the half-power beam-width (HPBW) of the E-plane and H-plane at 5.8 GHz are 155° and 100° under radiation boundary conditions, respectively. The element has the advantages of compact structure, wide beam and reconfiguration, which has certain application prospects in wide-angle scanning phased array.