IMS - XHERb

IMS - XHERb

IMS - XHERb

Meinberg

External Holdover Expansion

PRS10 Rubidium Oscillator
The Meinberg XHERb chassis adds superior holdover performance to the Meinberg IMS time and frequency systems. It contains either one or two PRS10 Rubidium modules from Stanford Research and can be equipped with dual power supplies for each Rubidium module.
The module will be connected to the reference clock of the associated IMS chassis and the Rubidium will be steered as long as the reference clock is Synchronised.
In case the reference clock loses its sync source, the XHE chassis provides the sync reference for IMS chassis based on its holdover performance.
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More Information
Attribute Value
Manual URL https://www.meinbergglobal.com/download/docs/manuals/english/xhe-rb.pdf
Technical Support Meinberg offers free lifetime technical support via telephone or e-mail.
Relative Humidity Max. 85%
RoHS Yes
Power supply - Maximum Power Range
  • 2 x 100 - 240 V AC (50-60 Hz) / 100 - 200 V DC or 2 x 20 - 72 V DC (also available as AC/DC variant)
Electrical Connectors 64 pin rear VG edge connector DIN 41612
WEEE status of the product B2B. Return to manufacturer
Dimensions of the front panel 14HP/3U (70mm x 128mm)
Frequency Retrace ± 5E-11 (72 hrs. off then 72 hrs. on)
Oscillator Aging Aging (after 30 days): monthly: 5E-11 yearly: 5E-10
Board Dimensions 160mm x 100mm, 1,5mm Epoxy
Warm Up Time < 15 minutes (time to lock) | < 20 minutes (time to 1E-9)
Temperature Drift +/- 1E-10 (-20°C...65°C)
Short-term Stability (Tau = 1 sec) (Allan Variance)
< 2E-11 (1 s)
< 1E-11 (10 s)
< 2E-12 (100 s)
Key Features
  • XHE chassis provides sync reference for IMS chassis based on its holdover performance
  • Holdover: 72 hour Stratum 1 level
Operating Temperature 0 ... 40 °C
Dimensions 483mm x 132mm x 275mm / Width x Height x Depth
More Information
Attribute Value
Data Sheet Click here to view

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