Table 1-8:
10 MHz output — oscillator stability
Oscillator Type
Medium-Term Stability
(without GPS after 2 weeks of
GPS lock)
Short-Term Stability (Allan
variance)
Temperature
Stability (p˗p)
1sec. 10sec. 100 sec.
Low-phase noise
Rubidium
5x10
-11
/month (3x10
-11
/month
typical)
5x10
-11
2x10
-11
5x10
-12
1x10
-10
Rubidium 5x10
-11
/month (3x10
-11
/month
typical)
2x10
-11
2x10
-12
2x10
-12
1x10
-10
Low-phase noise
OCXO
2x10
-10
/day 5x10
-11
2x10
-11
1x10
-11
1x10
-9
OCXO 5x10
-10
/day 5x10
-10
5x10
-11
1x10
-11
5x10
-9
TCXO 1x10
-8
/day 2x10
-9
1x10
-9
3x10
-10
1x10
-6
1.6.3.1 10 MHz Output — Oscillator Phase Noise (dBc/Hz)
Oscillator Type @ 1Hz @ 10Hz @ 100Hz @ 1KHz @ 10KHz
Low-phase noise Rubidium ˗100 ˗128 ˗148 ˗153 ˗155
Rubidium ˗80 ˗98 ˗120 ˗140 ˗140
Low-phase noise OCXO ˗100 ˗128 ˗148 ˗153 ˗155
OCXO ˗95 ˗123 ˗140 ˗145 ˗150
TCXO ./. ./. ˗110 ˗135 ˗140
1.6.4 Multi I/O
The Multi I/O HD15-pin connector can be configured to provide different signals. For more
information, see "Configurable Connectors" on page136.
Connector: 15 pin D-Sub (HD15) female
Available signals: RS232, (2) RS485, IRIG AM OUT, DCLS in, DCLS out
Possible Outputs: 1PPS, ASCII Time Code, IRIG (DCLS), IRIGAM, HAVEQUICK,
GPIO
Possible Inputs ("References"): 1PPS, ASCIITime Code, HAVEQUICK, IRIG(DCLS)
Pinout:
1.6 Specifications
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