Frequency Standards

Frequency Standards

Overview

Pendulum brand frequency standards offer extreme accuracy for applications in telecommunications, calibration laboratories, automated test systems and design departments.

GPS-disciplined references offer traceable Cesium-like stability at an attractive price. Units are self-calibrating. A stand-alone high stability frequency standard is available where traceability to external reference is not required.

Key specifications:

GPS-12R/12RG

  • GPS-disciplined Rubidium clock
  • Internal battery option for transportation and mains-free field use
  • Two switchable 1.544 MHz (T1) or 2.048 MHz (E1) front-panel outputs
  • One switchable 1 PPS or 10 MHz front-panel output
  • Eight optional frequency outputs: 1, 5 & 10 MHz
  • User friendly front panel operation, selectable for six language
  • Use of both GLONASS and GPS gives better signal coverage (GPS-12RG)

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GPS-88/89

  • GPS-controlled frequency standard
  • Choice of Rubidium or ovenized crystal oscillator
  • Traceable internal calibration system approved by Swedish National Testing and Research Institute¬†
  • Remote monitoring via Ethernet interface
  • No doubt-about-accuracy via display of frequency offset
  • Five standard frequency outputs; 4x10 and 1x5 MHz; Five more optional outputs

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6688/6689

  • Stand-alone frequency reference standard
  • Rubidium (6689) or high stability ovenized crystal oscillator (6688)
  • Distribution amplifiers for 5x10 MHz and 1x5 MHz outputs as standard
  • Optional 10x10 MHz outputs
  • 0.001 ppm aging in 10 years (Rubidium)

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