3 meter satellite communications antenna
ELECTRICAL SPECIFICATION
|
SCE-300B/SCE(KU)-300B |
C-Band |
Ku-Band | ||
|
Receive |
Transmit |
Receive |
Transmit | |
|
Operating Frequency, GHz |
3.625～4.2 |
5.85～6.425 |
10.95～12.75 |
13.75～14.5 |
|
Gain, Mid-band, dBi |
40.1 |
43.7 |
49.6 |
50.8 |
|
Polarization |
Linear/ Circular |
Linear | ||
|
XPD (on Axis), dB |
35 |
35 |
35 |
35 |
|
XPD across 1dB Beam Width, dB |
33 |
33 |
33 |
33 |
|
Axial Ratio (Circular-Polarized) |
1.30 |
1.09 |
||
|
VSWR |
1.25 |
1.25 |
1.25 |
1.25 |
|
Antenna Noise Temperature
10° Elevation
30° Elevation
50° Elevation |
29°K
22°K
19°K |
48°K
39°K
35°K |
||
|
-3dB Beam Width, Mid-band |
1.5° |
1.1° |
0.56° |
0.49° |
|
Typical G/T ( El＞10° ) |
20.4dB/°K
( 30° LNA ) |
27dB/°K
( 70° LNA ) |
||
|
Tx. Power Capability, KW |
5 |
2 | ||
|
Feed Interface |
CPR-229G |
CPR-137G |
WR-75 |
WR-75 |
|
Isolation, Tx to Rx, dB |
90 |
85 | ||
|
First Sidelobe
90% Peaks under Following Envelop |
-14
29-25logθ(1°≤θ＜20° ) |
-14
29-25logθ (1°≤θ＜20° ) | ||
Mechanical Specification
|
Antenna Diameter |
3 m |
|
Antenna Type |
Ring Focus |
|
Mount Type |
El. Over Az. |
|
Surface Accuracy (RMS) |
≤ 0.5mm |
|
Antenna Pointing Range
Azimuth
Elevation
Polarization |
0°～360°, ±10 °(Continuous)
0°～90°(Continuous)
360°(Continuous) |
|
Drive Mode |
Manual or Motorized |
Environmental Specification
|
Operational Wind |
72km/h Gusting to 97km/h |
|
Survival Wind |
216km/h |
|
Temperature |
-40°C ～ + 60°C |
|
Relative Humidity |
100% |
|
Solar Radiation |
1135Kcal/ h/ m2 |
|
Seismic (Survival) |
0.3g (H), 0.15g (V) |
|
Ice Loading |
13mm Operational; 25mm Survival |