Alignsat 7.3m DBS Band Antenna

Item No.: A21
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 DBS Band AntennaDownload
INQUIRY
Description
 
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