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D90-O-SMC-V-VSAT

D90-O-SMC-V-VSAT

KA Band TX/RX SMC Antenna

 

Product Specifications

• Superior quality for Transmit / Receive applications :
The aluminium shaped arm mounted on the massive aluminium back structure
ensures the perfect alignment of the Rx / Tx system with the Reflector.
A special attention was given in the mount design to provide pointing accuracy and
stability.


• Excellent protection against severe environment conditions:
Reflector in glass fiber reinforced polyester (SMC) for an exceptional lifetime.
- No rust or corrosion
- Reduced focus of the sunshine rays into the electronics.


• Easy installation and fine adjustment :
a rugged Az/El/xpol mount construction allows the fine
adjustments in azimuth, elevation, cross polarity
and insures the highest performances.


• The SMC Reflector is not linked mechanically to the arm and
RF sub/assembly. It provides the essential requirements for
transmission to satellite:
- dimensional accuracy
- mechanical stability over time and temperature
- Excellent performance at high frequencies.

 Additional Features

 

MECHANICAL DATAS :

Antenna width : 90 cm

Antenna height : 99 cm

Geometry : offset , effective aperture 90 cm

Reflector : glass fiber reinforced polyester

Mount : Az/El/Polarization type

Azimut range : 0~360° with +/-5° fine tune

Elevation range : 5~90° continuous fine tune

Polarization range : done by rotation of the whole dish

Pipe diameter : 60~80mm

Metal part treatment : black electrolytic treatment, Hold> 500 hours salt spray

Screws with Dacromet treatment > 400 hours salt spray

Operating temperature : -30°C~+60°C

Atmosphere : coastal and industrial areas

Operational windspeed : 100 Km/h with bursts up to 130Km/h

RF PERFORMANCE :

Receive :

Polarization : linear

Frequency band : 19,7 ~20,2 GHz

3dB beamwidth : 1,2°

Gain @ 20 GHz : 42,5 dBi

Transmit :

Polarization : linear orthogonal

Frequency band : 29,5 ~30 GHz

3dB beamwidth : 1°

Gain @ 29,75 GHz : 45,8 dB

Copolar sidelobe envelope ( dBi)

1,8° ≤ θ ≤ 7° : 29 – 25 log θ dBi

7° ≤ θ ≤ 9,2° : 8 dBi

9,2° ≤ θ ≤ 48° : 32 – 25 log θ dBi

θ > 48° : -10 dBi

Cross polar sidelobe envelope :

1,8° ≤ θ ≤ 7° : 19 – 25 log θ dBi

7° ≤ θ ≤ 9,2° : -2 dBi

Antenna XPD ( including OMT) : >= 20dB ( -10 dB gain contour)

 

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