Research Article
Planar C-Band Antenna with Electronically Controllable Switched Beams
Table 1
Definition of the
lay-up for the radiating element.
| Description | Type | Dielectric layers | Conductors | H mm | DK | SIZE mm × mm |
| Upper patch | Conductor | | | 19.83 × 19.83 |
| Upper substrate | Dielectric | 12 | 1.6 | |
| Lower patch | Conductor | | | 24.64 × 24.64 |
| Lower substrate | Dielectric | 6 | 1.6 | |
| Ground plane | Conductor | | | Slot: 20.42 × 1.55 |
| RF substrate | Dielectric | 0.5 | 3.2 | |
| Microstrip, stub | Conductor | | | w = 1.9; stub = 4.73 |
| Air | | 15 | | |
| Back scatterer | Conductor | | | 4 × 50 |
| FR4 | Dielectric | 1.5 | 4.1 | |
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