Description
Alignsat 3.7m Ka band antenna is a high performance antenna designed for Ka-band satellite communications. The antenna includes Feed Horn, Polarizer, OMT and Filter. The antenna is a rugged, commercial quality product suitable for the most demanding applications.
Features
12- pieces precision reflector
Precision Az/El Mount, Hot-Dip Galvanized.
Cass grain antenna
Linear or Circular Polarization
| Electrical Specification | ||||
| Type | AST-3.7Ka | |||
| Electrical | Ka-Band Circular | Ka-Band Circular | Ka-Band Linear | |
| Operating Frequency (GHz) Receive Transmit | 20.20 - 21.20 GHz 30.00 - 31.00 GHz | 19.40 - 21.20 GHz 29.20 - 31.00 GHz | 18.70 - 21.20 GHz 27.00 - 31.00 GHz | |
| Midband Gain ( +/- .5 dB) Receive Transmit | 55.4dBi 58.8 dBi | 55.3 dBi 58.7 dBi | 55.1 dBi 58.4 dBi | |
| VSWR | 1.3:1 max | 1.3:1 max | 1.5:1 max | |
| Beam width(-3 dB ) | Rx: 0.27° Tx: 0.18° | Rx: 0.28° Tx: 0.18° | Rx: 0.28° Tx: 0.19° | |
| Antenna Noise Temperature 10° Elevation 20° Elevation 40° Elevation | 139 K 118 K 107 K | 139 K 118 K 107 K | 140 K 121 K 106 K | |
| Power Handling | 100 W | 100 W | 100 W | |
| Cross Polarization Isolation On Axis Within 1.0 dB Beam width | 26dB 25dB | 26dB 25dB | 35 dB 33 dB | |
| Output Waveguide Interface Flange | Rx: WR42 Tx: WR28 | Rx: WR42 Tx: WR28 | Rx: WR42 Tx: WR28 | |
| First Side lobe90% Peaks under Following Envelop | -14 29-25logθ(1°≤θ＜20°) | |||
| Mechanical Specification | ||||
| Antenna Diameter | 3.7m | |||
| Antenna Type | Casse grain | |||
| Surface Accuracy(RMS) | ≤0.3mm | |||
| Antenna Pointing Range | Azimuth Elevation Polarization | 0°~360°(Continuous) 0°~90°(Continuous) ±360°(Continuous) | ||
| Drive Mode | Manual or Motorized | |||
| Antenna reflector Material | Aluminum Alloy | |||
| Finish of steel parts | Hot dipped Zinc | |||
| Environmental Specification | ||||
| Operational Wind | 72km/h gusting to 97km/h | |||
| Survival Wind | 216km/h | |||
| Temperature | -40°~+60° | |||
| Relative Humidity | 100% | |||
| Solar Radiation | 1135Kcal/h/m² | |||
| Seismic(Survival) | 0.3g(H), 0.15g(V) | |||
| Ice Loading | 13mm Operational; 25mm Survival | |||
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