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4.5M C/Ku band Earth Station Antenna
Author:admin  / Times:1/1/2008 
 

 4.5M Earth Station Antenna

 ANTENNA FEATURES
 Meets or Exceeds CCIR 580-4 and INTELSAT Requirements
 Dual Reflector Modified Gregorian
 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
 Antenna Az. 0°~360° (Continuous)Pointing Ranges

 ANTENNA ACCESSORIES
 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-450C

SXV-450Ku

Operation Frequency, GHz

C-Band

Ku-Band

Receive

Transmit

Receive

Transmit

3.4~4.2

5.85~6.725

10.95~12.75

13.75~14.5

Gain, Mid-band, dBi

44

47.3

53.2

54.3

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

 

 

34°K

24°K

21°K

 

 

 

52°K

41°K

37°K

 

-3dB Beamwidth, Mid-band

1.12°

0.72°

0.37°

0.33°

Typical G/T (EL>10°)

25.9dB/°K

(30° LNA)

 

32.3dB/°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

4.5m

Antenna Type

Ring focus

Mount Type

EL. over AZ.

Surface Accuracy (RMS)

0.5mm

Antenna Pointing Range

Azimuth

Elevation

Polarization

±90°,±60° (Continuous)

0°~ 90° (Continuous)

180° (Continuous)

Motor Drive System

Azimuth Travel Rate

 Elevation Travel Rate

Polarization

0.11°/S (0.06°/S)

0.17°/S (0.08°/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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