XLi IEEE 1588 Clock
5
997-01510-03, Rev. C, 12/12/2006
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Specifications
Related topics:
•
“Installing the GPS Antenna” on page 15
•
“F50 – GPS Receiver LLA/XYZ Position” on page 53
•
“F51 – GPS Antenna Cable Delay” on page 55
•
“F53 – GPS Operation Mode” on page 58
•
“F60 – GPS Receiver Satellite List” on page 60
•
“F69 – Time Mode” on page 65
•
“F73 – Alarm Control / Status” on page 69
•
“F74 – Clock Source Control” on page 77
•
“F119 – GPS Receiver Configuration” on page 110
Standard TCVCXO Oscillator
The XLi comes with the standard TCVCXO oscillator described below. The stability of the following
oscillators is dependent on the reference source. For reference source accuracies, see
“System Time &
Frequency Accuracy” on page 10
.
Frequency
1575.42 MHz (L1 signal)
Code
Coarse Acquisition (C/A) code
Tracking
Up to 12 satellites with TRAIM
Position Accuracy
Typically < 10m when tracking four (4) satellites
TRAIM Mask
1
μ
S
1 PPS Accuracy
UTC-USNO
±
30 ns RMS 100 ns Peak
Time standard:
UTC or GPS
Antenna input
Female BNC
Antenna Power
20 mA – 220 mA, +12 V
Frequency/Timing
Allan Deviation,
Stability
1 x 10
-9
@ 1 sec
2 x 10
-10
@ 1K sec
3 x 10
-12
@ 1 day
Temp
5x10
-7
, over 0°C to 50°C when not locked to a reference
Drift Rate
5 x 10
-9
/ Day