XLi IEEE 1588 Clock 5
997-01510-03, Rev. C, 12/12/2006
2
5
1
SSSSSSSSSSSS SSSSSSSSSS SSSSSSS S SSS S SSSSS S
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 page65
•“F73 – Alarm Control / Status” on page69
•“F74 – Clock Source Control” on page 77
•“F119 – GPS Receiver Configuration” on page110
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 μS
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