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Rubidium Frequency Standards

Rubidium Frequency Standards

Rubidium frequency standards are a low-drift alternative to an OCXO or TCXO with stability of < 1 ppb/year. As high-precision oscillators, Rubidium frequency standards are especially useful for measurement, testing, and many telecommunication applications. To further enhance a Rubidium based frequency reference, Novus offers Rubidium frequency references with an embedded low phase noise OCXO to meet system frequency reference phase noise requirements. A Rubidium reference is alternative source if a GPS disciplined oscillator is not an option.

Affording excellent stability, Rubidium frequency standards are a next best choice when operating in a GPS denied environment. That being said, adding a GPS-locking system will improve the 1ppb/year drift by approximately three orders of magnitude. For typical telecommunication infrastructure, GPS, or other types of applications, Rubidium standards offer excellent holdover performance.

Dual Channel Low Noise Rubidium 10 MHz Frequency Reference with GNSS Locking NR2110D-R/O/G

Dual Channel, GNSS Disciplined 10 MHz Frequency Reference with Rubidium Holdover

Dual Channel Low Noise GNSS Locked Rubidium 10 MHz Frequency Reference

NR2110D-R/O/G

For many applications, the phase noise of a Rubidium reference is not acceptable. The NR2110D-R/O/G incorporates a low noise OCXO that is disciplined to the Rubidium reference. This product also adds a 26 channel GNSS receiver that brings the long-term stability of GNSS. The NR2110D-R/O/G brings the best of three timing technologies together- the low phase noise of the OCXO, excellent holdover stability of Rubidium and the long-term stability of GNSS GPS locking.   All channels are continuously monitored and displayed locally and accessible via RS232 or Ethernet. Additional stability options offer thermal and vibration isolation.

  • Two transient and fault protected channels with local indicators on the front and rear panel.
  • Option-operates from AC or DC power sources..
  • Monitor and set alert limits on each output.
  • Dual time base option assures reference integrity
  • aging less than 5E-11/month (unlocked)
  • temperature stability <5E-10 0 to 50C (unlocked)
  • Warm-up time , 12 min
  • High stability 1PPS option available , < 1 ns -P-P (see curve)
  • Available with BNC or SMA output connectors
  • Networking with SNMP
  • Additional Stability options available- see additional info tab
  • Available with either SMA or BNC output connectors

10Hz     -125
100Hz   -140
1K         -145
10K       -150

Brand : Novus          SKU :NR2110D-R/O/G

 

Category:
Rubidium Sources
Sub-Category:
GPS/GNSS Locked Rubidium
Tags:
AC Powered, DC Powered, Low Noise, NMEA, PPS, SNMP, 10 MHz, Networking, GNSS Locked , Rack Mount, Rubidium
Data Sheet:
NR2110D-R-O-G 041922.pdf
User Manual:
NR2110D-R-O-G 041922.pdf
Novus Design Considerations:
Novus Stability Options.pdf

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