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RaySat  XR370
VAST 3.7米X波段通信卫星天线

 3.7 meter X Band Cirular TX RX VSAT Transmit Receive Antenna

Feature:
• 3.7 Meter Offset Transmit Receive Antenna
• Reflector Material - Glass Fiber Reinforced SMC
• Increased Strength for Heavier ODU Equipment Loads
• X Band Feed Options





Summary of Features:   X-Band Circular
     

Antenna Size

 

3.7 Meter

Operating Frequency (GHz)

 

 

Receive 
Transmit

 

7.25 - 7.75 GHz 
7.90 - 8.40 GHz

Midband Gain ( +/- .2dB)

 

 

Receive 
Transmit

 

47.80 dBi 
48.40 dBi

VSWR    
Receive 
Transmit
  1.3:1 .(<-17.70 dB)
1.3:1 .(<-17.70 dB)
Pattern Beamwidth (in degrees at midband)  

 

-3 dB
-15 dB
 

Rx 0.80 deg Tx 0.70 deg 
Rx 1.60 deg Tx 1.50 degSidelobe

Sidelobe Envelope

 

 

1° ≤  q ≤ 20°

 

29 - 25 Log dBi

20° < q ≤ 26.3°

 

-3.5 dBi

26.3° < q ≤ 48°

 

32 - 25 Log dBi

48° < q

 

-10 dBi (averaged)
     
Note: In receive portion of C-band only, sidelobe envelope specified from 100/D rather than 1°
     

Antenna Noise Temperature

   

5° Elevation 
10° Elevation 
20° Elevation 
40° Elevation

 

60 K 
51 K 
47 K 
47 K

Power Handling   2 kW
Cross Polarization Isolation (Linear) On Axis    
On Axis 
Within 1.0 dB Beamwidth
 

Rx > 23.20 dB Tx > 18.80 dB 
Rx > 23.20 dB Tx > 18.80 dB

     
Note: Standard C-band Circular polarization in Tx-Band provides an axial ratio of 1.3 (XPD equivalence of 17.7 dB). Optional F-1 station feedavailable with axial ratio of 1.09 (XPD equivalence > 27.3 dB) in Tx band. Call factory when specifying this option. X Band filters available upon request.
     
Output Waveguide Interface Flange    
Receive 
Transmit
 

WR 112 
WR 112