取消預載

MA-25 GPS Marine 天線


介紹

MA-25 GPS天線具有內建的抗RF訊號干擾裝置,以及主動式訊號放大器(LNA)和高增益信號,並能夠支援從3伏特〜6伏特之間的大範圍電力供應。MA-25 GPS天線為航海和嚴峻環境應用的首選。MA-25 是專為嚴苛的海洋環境所設計的產品。 請注意:此A-132天線備有防水、防曬外殼所組成,為螺帽式固定天線,通常可安裝於車輛頂部或船上。

特征

  • 1. 10W RF protection
  • 2. Standard WAAS tune
  • 3. Short-circuit protection
  • 4. Wide range power input voltage from +3v ~ 6v
  • 5. Narrow band width at 10MHz for real GPS L1 signal
  • 6. Cable length up to 40m
  • 7. 2 stages active LNA
  • 8. Dual Filters BPF(directric)& LPF(lump element)
  • 9. Dielectric patch 天線
  • 10. Low noise, linear regulator
  • 11. High current shut down
  • 11. Radio frequency interference immunity (RFI)
  • 11. Improve overall GPS system resistance to interference
  • 11. RoHS compiant

規格

Technical Specifications
2 Stages active LNA
Dual Filters, (BPF(dielectric) & LPF(lump element))
RF protection (10watt), nano-second Spark-Gap
Dielectric Patch 天線
Low Noise Low drop-out, Linear Regulator
Performance
Receiving Frequency L1 Band(1575MHz)
Output Impedance 50 ohms
Polarization’s Right Hand Circular (RHC)
Bandwidth < 50 MHz
VSWR 1.8 Typical @ 1575MHz
Elev. Angle Coverage 5~90 degree
Az. Bearing Coverage 360 degree
Filtering Dual(BPF <50 MHz B/W >
Over-all Gain 28dB (typical including 4dB cable loss & Filters)
Over-all NF <1.8dB @fo, 2dB max.
LNA Characteristic K=>1 Un-conditionally Stable
RF Insertions loss 0.1dB, leakage power 100mW /1 watt input
Electrical
Power Input +3Vdc to + 6Vdc input, Auto Switching
Power Consumption 25mA
Power Input Sensor Reverse Polarity Short Circuit shutdown
Over-Current Sensor Thermal Over-current shutdown >+150degreeC
Physical
Dimensions 79d x 58h x 13 mm (CHECK THIS!!)
Mount 13 mm treaded (1/2inch)
Radome Color White
Coax Connector BNC,SMA,TNC or on request
Coax Cable RG-58, RG-174, RG-316
Environmental
Operating Temperature -30 to + 85 degree C
Storage -40 to + 90 degree C

資料下載

File Name File Size Time
MA-25 GPS Marine 天線 ARKNAV-Datasheet 201 KB Sep 8th 2009

本網站使用cookies以提昇您的使用體驗及統計網路流量相關資料。繼續使用本網站表示您同意我們使用cookies。我們的隱私及Cookie政策提供更多關於cookies使用及停用的相關資訊。