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GPS Reference 2000
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GPS Reference 2000

The GPSReference is a low-cost, high-performance GPS primary reference source in a compact 1U package. It integrates a smart SRO-100 Rubidium clock. It uses GPS SmarTiming+® technology, disciplining the Rb clock with an auto-adaptive loop time constant of 1,000 to 100,000 seconds, depending on the GPS signal quality, at cutting-edge 1ns resolution. It’s designed for cross-industry applications in which high stability or timekeeping is a requirement.


Key Features:

  • Integrated GPS Reference & SRO Rb clock
  • SmarTiming+® technology at 1ns resolution
  • Output Frequencies (4x 10MHz / 4x 1PPS or 8x 10 MHz)
  • User programmable SYNTH output
  • Compact 1U rack mountable chassis


  • > Ultra High
    Over Temp. < ±1E-10
    Short Term: 3E-12/10s
    Long term: < 3E-11/month


  • 445x300x44 mm
  • 52 x11.81×1.73 in.