X-band Antenna for Surveillance Radar

The antenna is intended for X-band surveillance radar application X1-M. The antenna contains of about 200 radiating slots, which forms the fan-like radiation pattern in the broadside with low sidelobes. Antenna is equipped with radome that provides environmental protection of the item.

X-band SWAFig. 1. X-band slotted waveguide antenna integrated in X1-M radar

Antenna Characteristics

Operating bandwidth, GHz 0.2 (in X-band)
Beam type fan
3dB beam width (E-plane x H-plane), deg 20 x 2
Polarization Linear/Vertical
Cross-polarization level, dB <-30
Side lobes level, dB <-20 dB
Gain, dBi >29
VSWR <1.3
Dimensions (aperture), mm 1200 x 160
Height, mm 30
Weight, kg 10