Alignsat 7.3m DBS Band Antenna
Item No.: A21
Alignsat 7.3M Cassegrain antenna providing Tx/Rx 2/4-port feed ,7.3m DBS band antenna only for linear polarization, can deliver exceptionally high performance for transmit/receive applications.
- Alignsat 7.3m DBS Band AntennaDownload
Description
Alignsat 7.3M antenna reflector incorporates stretch-formed doubly contoured panels with matched radials and hub for ease of field alignment. The standard designed azimuth over elevation pedestal provides a cost-effective solution for high stiffness and stability, full orbital arc coverage and fine drive performance, and ensures the pointing accuracy required for DBS band operation
Alignsat 7.3Meter Cassegrain antenna providing Tx/Rx 2/4-port feed ,7.3m DBS band antenna only for linear polarization, can deliver exceptionally high performance for transmit/receive applications.
Alignsat 7.3M antenna RF specification can adhere to FCC Regulation25.209, IESS and ITU-RS.580-5, INMARSAT, ASIASAT, INTELSAT, APT and CHINASAT, etc.
Highlighted Features
- Meets CCIR 580 and INTELSAT Requirements.
- CP/LP switchable feed.
- High RF performance.
- Stainless hardware.
- Different frequency ranges from many feed configurations.
- Antenna reflector be pre-assembly in works, special designed taper-pin easy installation and ensure on site assembly accuracy, no theodolite required.
| Electrical Specification | |||
| Type | DBS-73T | ||
| Operating Frequency, GHz | DBS-Band | ||
| Receive | Transmit | ||
| 10.95~12.75 | 17.3~18.4 | ||
| Gain, dBi | 57.1+20log(F/11.85) | 60.0+20log(F/17.85) | |
| Polarization | Linear | ||
| XPD(on Axis), dB | 35 | 35 | |
| VSWR | 1.30 | 1.30 | |
| Antenna Noise Temperature 10° Elevation 30° Elevation 50° Elevation |
2/4-port feed 60K/87K 50K/73K 48K/61K |
||
| -3 dB Beam Width, Mid-band | 0.25° | 0.16° | |
| Typical G/T（EL=10°） | 36.1dB/K (70K LNA) |
||
| Tx. Power Capability, KW | 2 | ||
| Feed Interface | WR-75 | WR-62 | |
| Feed Insertion Loss,dB | 0.4 | 0.3 | |
| Isolation, Tx to Rx, dB | 85 | ||
| First Side lobe 90% Peaks under Following Envelop |
-14 29-25logθ dBi (1°£θ£20°) -3.5 dBi (20°£θ£26.3°) 32-25logθ dBi (26.3°£θ£48°) |
||
| Mechanical Specification | |||
| Antenna Diameter | 7.3m | ||
| Antenna Type | Cassegrain | ||
| Surface Accuracy（RMS） | ≤0.5mm | ||
| Antenna Pointing Range | Azimuth Elevation Polarization |
±90°(two sections, each section 100° continuous) 5°~90°(Continuous) ±90°(Continuous) |
|
| Drive Mode | motorized | ||
| Environmental Specification | |||
| Operational Wind | 72km/h gusting to 97km/h | ||
| Survival Wind | 200km/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 | ||