Symmetricom XL-GPS - Manual (Page 21)

997-01530-01, Rev. C-25, Jan 2008 11
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S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S
Oscillators
Standard TCVCXO
Optional OCXO
Certification
Calibration Statement
This unit does not contain user-serviceable parts and does not require calibration.
Accuracy:
< 1 x 10 -12 @ 1 day when locked to GPS
Frequency/Timing Stability
(Allan Deviation)
1 x 10 -9 @ 1 sec
3 x 10 -10 @ 10 sec
3 x 10 -10 @ 100 sec
2 x 10 -10 @ 1000 sec
1 x 10 -12 @ 1 day
Temp
5x10 -7 , over 0°C to 50°C when not locked to GPS
Accuracy: < 1 x 10 -12 @ 1 day when locked to GPS
Frequency/Timing Stability
(Allan Deviation)
1 x 10 -10 @ 1 sec
1 x 10 -10 @ 1000 sec
1 x 10 -12 @ 1 day
Temp
1 x 10 -8 , over 0°C to 50°C when not locked to GPS
Drift rate
5 x 10 -9 / Day
UL UL 60950:2000
C-UL CAN/CSA-C22.2 No. 60950-00:2000
FCC FCC Part 15, Subpart B
CE 89/336/EEC EMC Directive
EN55022:1998
EN55024:1998
EN61000-3-2:2000
EN61000-3-3:1995
73/23/EEC Low Voltage Safety Directive
EN 60950-1:2001
IEC IEC 60950-1:2001 Safety of Information Technology Equipment (ITE)