M e r i d i a n I I U s e r M a n u a l
136
C H A P T E R E L E V E N
RTIC Stability
Specifications
The specifications below supercede the 1PPS Stability specification and the System Oscillator Stabil-
ity Table shown in
Appendix K - Specifications
.
1PPS Stability (RTIC Option):
TDEV < 2 ns @
τ
< 10
5
seconds,
σ
y
(
τ
) < 4.0x10
-14
@
τ
=10
5
secs.
System Oscillator Stability (Allan Deviation) Table:
Tau in Seconds TCXO MS-OCXO HS-OCXO US-OCXO
1
2.0x10
-10
3.0x10
-12
1.0x10
-12
4.0x10
-13
10 2.0x10
-10
3.9x10
-12
1.3x10
-12
4.5x10
-13
100 8.0x10
-11
3.0x10
-12
1.7x10
-12
8.5x10
-13
1000 8.0x10
-12
2.0x10
-12
1.3x10
-12
7.0x10
-13
10000 6.0x10
-13
2.0x10
-13
2.0x10
-13
2.0x10
-13
100000 4.0x10
-14
4.0x10
-14
4.0x10
-14
4.0x10
-14
Tau in Seconds Rb US-Rb Cs* HP-Cs*
1
2.0x10
-11
1.5x10
-11
1.2x10
-11
5.0x10
-12
10 6.7x10
-12
5.0x10
-12
8.5x10
-12
3.5x10
-12
100 2.5x10
-12
1.4x10
-12
2.7x10
-12
8.5x10
-13
1000 1.4x10
-12
6.0x10
-13
8.5x10
-13
2.7x10
-13
10000 2.0x10
-13
2.0x10
-13
2.7x10
-13
8.5x10
-14
100000 4.0x10
-14
4.0x10
-14
8.5x10
-14
2.7x10
-14
1000000 1.0x10
-14
1.0x10
-14
* 5071A Cesium Control Module is only specified with the RTIC Option.
Summary of Contents for Meridian II
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