Planar C-Band Antenna with Electronically Controllable Switched Beams

Figure 12

(a) Feed network measurement: output phases for position 1, (equal phase). (b) Feed network measurement: output phases for position 2, (−90^° progressive phase shift). (c) Feed network measurement: output phases for position 3, (+90^° progressive phase shift).

(a)

(b)

(c)