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MAR-25
Marine Antenna
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StarsNav Marine-25 GPS antenna equips innovative,
high quality, performance , RF protection circuit built-in to protect
the active LNA and High gain as well as value-added design at a wide
range of power supplier from 3v ~ 12v for any kind of receivers.
Performance
Marine-25 GPS antenna is the ultimate performance for Marine and Networking
application ¡Ketc and others who demand maximum performance and complete
support. The unique and differential design for unprecedented levels
of performance for any GPS applications.
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Marine-25
GPS Antenna Specifications
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| General
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Architecture Design
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2 Stages active LNA
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Dual Filters, (HPF & LPF(lump element))
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RF protection (10watt), nano-second Spark-Gap
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Dielectric Patch antenna
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Low Noise Low drop-out, Linear Regulator
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| Performance
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Receiving Frequency
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L1 Band(1575MHz) |
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Output Impedance
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50 ohms |
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Polarization's
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Right Hand Circular (RHC) |
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Bandwidth
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<50MHz |
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VSWR
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1.8Typical @ 1575MHz |
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Elev. Angle Coverage
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5~90 degree |
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Az. Bearing Coverage
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360 degree |
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Filtering
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Dual(BPF<50MHz B/W) |
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Over-all Gain
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28dB (typical including 4dB cable loss & Filter) |
| Over-all NF |
<1.8dB@fo, 2dB max. |
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LNA Characteristic
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K=>1 Un-coditionally Stable |
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RF Insertions loss
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0.1dB, leakage power 100m W/1 watt input |
| Electrical |
| Power Input |
+2.75Vdc to + 12Vdc input, Auto Switching |
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Power Consumption
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25mA |
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Power Input Sensor
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Reverse Polarity Short Circuit shutdown |
| Over-Current Sensor |
Thermal Over-current shutdown >+150degreeC |
| Physical |
| Dimensions |
79d x 58h x 13mm |
| Mount |
13mm treaded (1/2inch) |
| Radome Color |
White |
| Coax Connector |
BNC,SMA,TNC |
| Coax Cable |
RG-58 |
| Environmental |
| Operating Temperature |
-30 to + 85 degreeC |
| Storage |
-40 to + 90 degreeC |
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