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10 MHz Output
- Signal: 10 MHz sine wave
- Signal Level: +13 dBm ±2dB into 50 Ω
- Harmonics: ˗40 dBc minimum
- Spurious: ˗70 dBc minimum TCXO
- Connector: BNC female
- Signature Control: This configurable feature removes the output signal whenever a major alarm condition or loss of time synchronization condition is present. The output will be restored once the fault condition is corrected.
10 MHz output — oscillator types and accuracies
Oscillator Type | Accuracy |
---|---|
Low-phase noise Rubidium | 1x10-12 typical 24-hour average locked to GPS |
1x10-11 per day (5x10-11 per month) typical aging unlocked | |
Rubidium | 1x10-12 typical 24-hour average locked to GPS |
1x10-11 per day (5x10-11 per month) typical aging unlocked | |
Low-phase noise OCXO | 1x10-12 typical 24-hour average locked to GPS |
2x10-10 per day typical aging unlocked | |
OCXO | 2x10-12 typical 24-hour average locked to GPS |
1x10-9 per day typical aging unlocked | |
TCXO | 1x10-11 typical 24-hour average locked to GPS |
1x10-8 per day typical aging unlocked |
Note: Oscillator accuracies are stated as fractional frequency (i.e. the relative frequency departure of a frequency source), and as such are dimensionless.
See also Configuring the Oscillator.
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) |
||
---|---|---|---|---|---|
1 sec. | 10 sec. | 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 |
10 MHz Output — Oscillator Phase Noise (dBc/Hz)
Oscillator Type | @ 1Hz | @ 10 Hz | @ 100 Hz | @ 1KHz | @ 10 KHz |
---|---|---|---|---|---|
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 |