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SRS PRS10 Rubidium Frequency Standard

SRS PRS10 Rubidium Frequency Standard
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SRS PRS10 Rubidium Frequency Standard

The PRS10 is an ultra-low phase noise, 10 MHz rubidium-disciplined crystal oscillator. The device fulfills a variety of communication, synchronization and instrumentation requirements. The phase noise of the 10 MHz output is low enough to be used as the reference source for synthesizers. The units short-term stability and low environmental coefficients make it an ideal component for network synchronization. Its low aging rate makes it an excellent timebase for precision frequency measurements. The PRS10 can time-tag an external 1 pps input with 1 ns resolution. These values may be reported back via RS-232, or used to phase-lock the unit to an external reference (such as GPS) with time constants of several hours. This feature can provide Stratum 1 performance at a very low cost.

The PRS10 establishes a new level of features and performance in atomic frequency standards. Its design provides the lowest phase noise, greatest versatility, and easiest path to system integration of any rubidium frequency standard available.




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  • Low phase noise (<-130 dBc/Hz at 10 Hz)
  • Time-tags or phase-locks to a 1 pps input
  • 72 hour Stratum 1 level holdover
  • RS-232 for diagnostics, control and calibration
  • 20 year lamp life

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