- • High Aperture Efficiency 70%*
- • Excellent Input Matching
- • Constant Phase Center*
- • Ultra Low Cross-polar levels*
- • Frequency Bandwidth: 1050-1650 MHz
- • Machined from Single Aluminium Block
- • Radome included
- • Weight= 22 +/- 0.5 Kg
- • Dimensions: Diameter = 504 mm, Length= 148mm
Simulated 3D Far-field of Choke Horn (Linear Co-polar)
Reflection Coefficient at Circular Waveguide Input Port
Directivity of Choke Horn
Aperture Efficiency for Prime Focus Reflector f/D=0.4
Choke Horn's Phase Center with respect to its aperture
Peak Cross-polar Sidelobe level with respect to Co-polar maximum
Defocussing Loss when antenna is located at phase center = -50 mm
* Calculations in above plots are based on following assumptions
- Antenna is excited with ideal TE11 circular waveguide mode
- The polarization of mode is along y-axis
- The reflector is prime focus having f/D=0.4
- The reflector surface is ideal
- Feed is located at the optimum phase center