东成西就ill必中⑧码

UHF-RUB Rubidium Atomic Clock

东成西就ill必中⑧码The UHF-RUB upgrade option provides an atomic frequency standard to the UHFLI instrument. Experiments in need of a high frequency accuracy and stable operation over long periods of time even in adverse conditions, e.g. laboratories with limited climate-control, can rely on the Rubidium based atomic clock. Moreover, calibration demands are also further reduced as there is essentially no clock aging. The UHF-RUB is a hardware option that cannot be upgraded later in the field.

UHF-RUB Key Benefits

  • High frequency accuracy by atomic reference
  • Extreme temperature stability
  • Excellent aging performance
  • Minimal phase noise
  • Long-term result reproducibility

UHF-RUB Upgrade and Compatibility

  • Option cannot be upgraded in the field
  • Compatible to all other UHF options

All UHF Instruments feature a high-quality temperature controlled crystal oscillator (OCXO). For even tougher applications, the UHF-RUB option provides a rubidium-based atomic clock with extreme temperature stability, minimal phase noise characteristics and great performance throughout the aging process. The most relevant specification parameters are better by orders of magnitude.

东成西就ill必中⑧码The clock generated by the rubidium option can be output on the clock connector of the UHF Instrument.

Product Selector

SpecificationsUHF-RUB OptionOCXO (included)
Clock frequency (nominal)10 MHz10 MHz
Clock initial accuracy at 25°±0.0005 ppm±0.5 ppm
Clock short term stability, AVAR (over 1 s)<0.00008 ppm<0.00005 ppm
Clock short term stability, AVAR (over 100 s)<0.000008 ppm<0.0005 ppm
Clock long term stability (aging)±0.0005 ppm/year±0.4 ppm/year
Clock temperature coefficient at 23°±5°±0.0005 ppm/°±0.03 ppm/°
Clock phase noise @ 100 Hz−130 dBc/Hz−130 dBc/Hz
Clock phase noise @ 1 kHz−140 dBc/Hz−140 dBc/Hz
Time to reach specification @ 25°300 s60 s

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