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GPS-88/89 Traceable
GPS-88/89 Traceable

GPS-88/89 Traceable

GPS-88/89 Traceable GPS-controlled Frequency Standards

The GPS-controlled frequency standards are especially suited for use in calibration departments, providing continuous traceability with no need for external calibration. The stability/24h is excellent; one part in a trillion.

  • Unlike other GPS-disciplined oscillators (GPSDO), the disciplining process is not hidden to the user. We have incorporated a high-resolution phase comparator, which continuously compares the local oscillator with the GPS transfer standard. The result of that comparison is stored internally and can be transferred on demand to a PC.
  • The frequency offset is displayed on the front panel and the values are stored in NVRAM for a period of at least 2 years. Now you can remotely read the status of your frequency standard, get phase- or frequency deviation data, print calibration reports and much more via the optional Ethernet communication interface.
  • Long-term frequency stability is provided from the built-in Cesium-controlled standards in the GPS-satellite. Very high short-term stability comes from the built-in oven controlled crystal oscillator found in the GPS-88; or the built-in Rubidium atomic clock installed in GPS-89, as its local oscillator.
  • Via the GPSView SW, calibration protocols based on the internally stored calibration data can be generated at any time. Standard frequencies are 1 pps, 10 MHz and 5 MHz. Other reference frequencies, for example 2.048 MHz are available as options. We are continuously developing options and accessories, like outputs for new frequencies, distribution amplifiers etc.
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