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3.7M C/Ku band VSAT Antenna
Author:admin  / Times:1/1/2008 
 

3.7M VSAT Antenna

ANTENNA FEATURES
Meets or Exceeds CCIR 580-4 and INTELSAT Requirements
Ring Focus
High G/T, Excellent Pattern Characteristics
Hot-dipped Galvanized Steel Ground Mount Assembly
C-band Antenna Operating in 870MHz Bandwidth (Option)
2-port, 3-port or 4-port Linear/Circular Feed
Field Changeable Feed System, Switchable Circular to Linear C-band
High Wind (290km/h)
Antenna Az. 0°~360° (Continuous) Pointing Ranges

ANTENNA ACCESSORIS
Motorization Kits
Limit Switches
Steptrack
ODU Support Kits
Factory Feed System Testing and Documentation
Ocean Transport Packing
Foundation Kit
Lightening Rod Kit
Grounding Kit
Cable-Mounting Kit
Major Subsystem Spare Part Kits
Anti-icing and Deicing

  ELECTRICAL SPECIFICATION

Type

SXV-370C

SXV-370Ku

Operation Frequency, GHz

C-Band

Ku-Band

Receive

Transmit

 

Receive

3.4~4.2

5.85~6.725

 

3.4~4.2

Gain, Mid-band, dBi

42.2

45.4

51.4

52.7

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)

 

2-Port Feed            

4-Port Feed

 

1.30

1.06

1.09

1.06

 

 

VSWR

1.25

1.25

1.25

1.25

Antenna Noise Temperature

2-port Feed

10° Elevation

30° Elevation

50° Elevation

 

 

35°K

29°K

25°K

 

 

 

49°K

39°K

35°K

 

-3dB Beamwidth, Mid-band

1.25°

0.82°

0.44°

0.38°

Typical G/T (EL>10°)

24dB/°K

(30° LNA)

 

30.6dB/°K

(70° LNA)

 

Feed Insertion Loss

0.2

0.2

0.25

0.2

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

-14dB

29-25logθ  (1°≤θ20°)

-14dB

29-25logθ  (1°≤θ20°)

MECHANICAL SPECIFICATION

Antenna Diameter

3.7m

Antenna Type

Ring Focus

Mount Type

EL. over AZ.

Surface Accuracy (RMS)

≤0.5mm

Antenna Pointing Range

Azimuth

Elevation

Polarization

±90°,±65° (Continuous)

0°~ 90° (Continuous)

360° (Continuous)

Motor Drive System

Azimuth Travel Rate Elevation Travel Rate

Polarization

0.3°/S (0.06°/S)

0.2°/S (0.04°/S)

1.0°/S

Drive Mode

Manual or Motorized

ENVIRONMENTAL SPECIFICATION

Operational Wind

72 km/h Gusting to 97 km/h

Survival Wind

216 km/h

Temperature

-40~+60

Relative Humidity

100%

Solar Radiation

1135Kcal/h/

Seismic (Survival)

0.3g (H), 0.15g (V)

Ice Loading

13mm Operational; 25mm Survival

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