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KVH VSAT 6Ã×ͨÐÅÐl(w¨¨i)ÐÇÌì¾€

 

 

6.2Ã×­h(hu¨¢n)½¹Ìì¾€£­£­¼¼Ðg(sh¨´)Ö¸˜Ë(bi¨¡o)

6.2 m¡¡Ring-Focus Antenna, Technical Specification


 

Electric Specification

 

 

C-band Reception

C-band Transmission

Ku-band Reception

Ku-band Transmission

늚âÖ¸˜Ë(bi¨¡o)

C-½ÓÊÕ

C-°l(f¨¡)Éä

Ku-½ÓÊÕ

Ku-°l(f¨¡)Éä

Frequency (GHz)

îlÂÊ

3.625-4.2

5.85-6.425

10.95-12.75

14-14.5

Gain (dB)

ÔöÒæ

46.8

50.2

55.9

57.2

SWR

ñv²¨±È

1.25£º1

1.25£º1

1.25£º1

1.25£º1

Beamwidth:-3dB

²¨ÊøŒ’¶È

0.81 ¡ã

0.53 ¡ã

0.27 ¡ã

0.23 ¡ã

-15dB

 

1.62 ¡ã

1.07 ¡ã

0.54 ¡ã

0.46 ¡ã

An tenna Noise Temperature (K)

Ô땜ضÈ

2/4 Port Feed

 

2/4 Port Feed

 

 

 

 

 

 

 

2/4¶Ë¿ÚðÔ´

 

2/4¶Ë¿ÚðÔ´

10¡ãElevation

 

35/42

 

63/67

20¡ãElevation

 

26/36

 

51/58

40¡ãElevation

 

24/33

 

49/52

Power Handling Capability

¹¦ÂÊÈÝÁ¿

 

5Kw/port

 

1Kw/port

Feed Interface

½Ó¿ÚÐÎʽ

CRP-229G

CRP-159GG/137G

 

WR-75

Feed Insertion Loss (dB)

ðÔ´²å“p

0.25dB

0.2dB

0.25

0.25

Port-port isolation (dB)

¶Ë¿Ú¸ôëx

 

 

 

 

T-R

 

85dB

85

 

 

Linear Polarization

¾€¼‰»¯

30

30

30

30

Circular Polarization

ˆA¼‰»¯

21

21

 

 

 

 

Cross Polarization Isolation (dB)

½»²æ˜O»¯¸ôëx

 

 

 

 

35dB

35dB

35dB

35dB

 

 

33dB

33dB

33dB

33dB

Axial ratio,(dB)

ÝS±È

0.8/0.5dB

0.5dB

 

 

 

 

 

 

 

 

Sidelobe envelope

¸±°ê°ü½j(lu¨°)

CCIR.580-4

 

 

 

 

 

 

 

Mechanical Specification

™C(j¨©)еÐÔÄÜ

Azimuth Range

·½Î»·¶‡ú

¡À90 ¡ã

 

 

 

 

 

 

 

 

 

 

 

 

Elevation Range

¸©Ñö·¶‡ú

0 ¡ã to 90 ¡ã

Elevation/Azimuth Axis Drive Rates

El-AZËÙ¶È

0.02 ¡ã /s-0.04 ¡ã /s

Foundation Parts

îA(y¨´)Âñ¼þ

 

Polarization Speed

˜O»¯ËÙ¶È

1 ¡ã /s

 

 

Surface Accuracy

±íÃæ¾«¶È

0.5mm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Coating

‡ŠÆá

Spray-paint (white)

 

 

 

Environmental Specification

­h(hu¨¢n)¾³ÌØÐÔ

 

Operating Wind Speed

¹¤×÷ïL(f¨¥ng)ËÙ

20m/s(72km/h)

 

 

To27m/s (97km/h)

Max Wind Speed

Éú´æïL(f¨¥ng)ËÙ

55.6m/s(200km/h)

Ambient Temperature

œØ¶È

- 45 ¡ã to 60 ¡ã

Relative Humidity

ñ¶È

10% to

Vibrations

µØÕð

0.3G,horizontal

 

 

0.15G,vertical