GeoSat Microwave
Спутниковая антенна - антенна земных станций, TXRX, диаметр 3,7 м, Ka-Band 17.7 - 21.2 & 27.5 - 31.0 GHz (GA37MKATXRX)
Part Number: GA37MKATXRX
Documents / Media: datasheets GA37MKATXRX
• Высокое значение G / T, отличные характеристики боковых лепестков;
• Все стальные детали, оцинкованные горячим способом;
• Кольцевая антенна, диапазон KA;
• Алюминиевый отражатель
Технические характеристики:
- Drive Mode: Manual or Motorized
- Antenna Pointing Range and speed (Polarization): 360° (Continuous)
- Antenna Pointing Range and speed (Elevation): 0°~ 90° (Continuous)
- Antenna Pointing Range and speed (Azimuth): 0°~360°, ±10 °(Continuous)
- Surface Accuracy (RMS): ≤ 0.35mm
- Mount Type: El. Over AZ.
- Тип антены: Cassegrain
- Antenna Diameter: 3.7
- 90% Peaks under Following Envelop (Receive / Transmit): 29-25logθ(1°≤θ<20°) / 29-25logθ(1°≤θ<20°)
- First Side Iobe (Receive / Transmit): -14 / -14
- Isolation, TX to Rx,dB: 90
- Feed Insertion Loss (Receive / Transmit): 0.6. / 0.4
- Feed Interface (Receive / Transmit): WR-42 / WR-28
- TX. Power Capability, W (Receive / Transmit): - / 500
- -3dB Beam width, Mid-band (Receive / Transmit): 0.28° / 0.18°
- Antenna Noise Temperature (40°Elevation): 90°K
- Antenna Noise Temperature (20°Elevation): 101°K
- Antenna Noise Temperature (10°Elevation): 120°K
- Antenna Noise Temperature (5°Elevation): 141°K
- VSWR (Receive / Transmit): 1.3 / 1.3
- Axial Ratio(Circular-Polarized), 2-port Feed (Receive / Transmit): - / 1.2
- XPD (across 1dB Beam width), dB (Receive / Transmit): 33 / 33
- XPD (on Axis), dB (Receive / Transmit): 35 / 35
- Поляризация: Linear,Circular
- Gain, Mid-band, dBi (Receive / Transmit): 55.3 / 58.7
- Operation Frequency, GHz (Receive / Transmit): 17.7~21.2 / 27.5~31
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