KVH 7.3米 X波通信卫星天线 X  BAND 7.3米卫星天线

7.3M--X band Antenna Antenna Specifications R.F Specifications 4-PORT 2Tx/2Rx Linear and Circular Pol feed C-Band Receive Transmit   Frequency in GHz* 3.625-4.200 3.400-4.200 (Optional) 5.85- 6.425GHz 5.850-6.650(Optional) Gain 49.47 +20lg[f(GHz)/4] 52.68 +20lg[f(GHz)/6] Antenna Noise Temp.   5°Elevation 40k with TRF 10°Elevation 30k with TRF 20°Elevation 31k with TRF 40°Elevation 28k with TRF Sidelobe Pattern sidelobe level ≤-14dB Cross Pol. Discrimination 35dB (On axis) 30dB (within 1 dB Beamwidth) VSWR 1.3:1 (LP) 1.25:1 (CP) 1.3:1 (LP) 1.25:1 (CP) Axial Ratio (CP only) 1.06:1 1.06:1 Feed Insertion or Ohmic Loss 0.15dB 0.1dB Power Handling Capability 3kw cw per port (5Kw high power per port optional Port to Port Isolation   Tx to Rx ³85dB(with TRF) Rx to Rx ³30dB (LP), ³22dB (CP) Tx to Tx ³30dB (LP), ³22dB (CP Feed Interfaces CPR-229 CPR-137 X,S band available. R.F Specifications 4-PORT 2Tx/2Rx Circular Pol feed X-Band Receive Transmit Frequency in GHz* 7.25-7.75 7.9-8.4Ghz Gain 52.1+ 20lg[f(GHz)/7.5] 53.6 + 20lg[f(GHz)/8.25] Antenna Noise Temp.   5°Elevation 65k with TRF 10°Elevation 55k with TRF 20°Elevation 47k with TRF 40°Elevation 36k with TRF Sidelobe Pattern First sidelobe level ≤-14dB Beyond first sidelobe meet IESS(Intelsat) or CCIR 580-4 Recommendation Cross Pol. Discrimination 35dB (On axis) 30dB (within 1 dB Beamwidth) VSWR 1.3:1 (LP) 1.25:1 (CP) 1.3:1 (LP) 1.25:1 (CP) Axial Ratio (CP only) 1.06:1 1.06:1 3dB Beamwidth 0.72Deg 0.67Deg Polarization RHCP/LHCP LHCP/RHCP Feed Insertion or Ohmic Loss 0.60dB 0.60dB Power Handling Capability 1Kw cw Port to Port Isolation   Tx to Rx ³65dB(with TRF) Rx to Rx ³20dB Tx to Tx ³20dB Feed Interfaces WR112 WR112 X,S band available.   Antenna Specifications Mechanical Specifications Pedestal Type Limited Motion, El. Over Az. Kingpost Azimuth Travel ±85°/160°(in two 100 continuous overlapped sectors) *Travel Rate for Az and El 0.1°/second * Dual Rates Available, Low Travel Rate 0.02°/s, High Travel Rate 0.2°/s. Optional for customers. Elevation Travel 5°to 90°Continuous Elevation Travel Rate 0.1°/second * Polarization Travel ±90° Tracking travel rate for Az and El 0.012°/second Polarization Travel Rate 1.0°/second Reflector Steel Pedestal Structure Steel Finish Aluminum panels with high-diffusive white paint, steel part with Hot-Zinc Spray Antenna Drive Mode AC motor Drive per Az, El and Pol. Physical Ambient Temperature -40ºC to 60oC (survival) , -25ºC to 55oC (Operational) Operational Wind 72km/h gusts to 97km/h Survival Wind 200km/hm Rain up to 4 in/h(10cm/h), lasting 10 minutes Relative Humidity up to 1 with condensation Solar Radiation 1000 kcal/M2/h Radial Ice (Survival) 25mm on all surface or 13mm on all surface with 130km/h wind gusts Shock and Vibration As encountered during shipment by commercial air, sea or truck Corrosive atmosphere As encountered in coastal regions and/or heavily industrialized areas Seismic(Survival) 0.3G’s horizontal 0.1G’s vertical