Research Article

Planar C-Band Antenna with Electronically Controllable Switched Beams

Table 1

Definition of the lay-up for the radiating element.

DescriptionTypeDielectric layersConductors
H mmDKSIZE mm × mm

Upper patchConductor19.83 × 19.83

Upper substrateDielectric121.6

Lower patchConductor24.64 × 24.64

Lower substrateDielectric61.6

Ground planeConductorSlot: 20.42 × 1.55

RF substrateDielectric0.53.2

Microstrip, stubConductorw  =  1.9; stub  =  4.73

Air15

Back scattererConductor4 × 50

FR4Dielectric1.54.1