Planar Beam Steerable Parasitic Array Antenna System Design Based on the Yagi-Uda Design Method

Figure 12

Beam steered radiation patterns for each direction with the reactive loads of a diode (solid line) and a chip capacitor (dashed lines): (a) +y-direction; (b) +x-direction; (c) -y-direction; (d) +x-direction.

(a)

(b)

(c)

(d)