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General Characteristics
Signal type
L1 frequency; GPS C/A code
Datum
WGS-84
RF GPS signal frequency
1575.42 MHz
Recommended signal strength at SMA
-135 dBm to -120 dBm
Max RF power at input
3 dBm
Input impedance
50 Ω, nominal
MTBF
2,234,702 h at 25 °C; Bellcore Issue 2, Method 1, Case 3,
Limited Part Stress Method
PPS accuracy
±100 ns, > 99% typical
Higher signal strength might saturate the receiver and degrade performance.
For the best timing accuracy performance, ensure that the GPS antenna has a clear
view of the sky. Refer to the Antenna Installation section for more details.
GPS Antenna Connector Characteristics
GPS antenna connector type
SMA female
DC voltage output for active antenna
+5 V ± 10%
Max. current output
30 mA
Minimum current for antenna presence detection
6 mA typical, 9.5 mA max
Over-voltage protection
± 30 VDC
Power Requirements
Power consumption from chassis
Active mode
150 mA maximum
© National Instruments
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NI-9467 Getting Started
Содержание NI 9467
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