Quartzlock Products


The Quartzlock E8-Y GPS Disciplined OCXO represents a breakthrough in exceptionally low cost, traceable, calibration-free, off-air frequency & time standards. These very low cost references maintain the high frequency & time accuracy required for demanding applications.

Also in the same family there are 1U 19" Rack mount GPS Disciplined instruments the E8000 and E8010 with many options which can be customised to your meet your requirement. 


  • Low distortion 10MHz Sine & 1PPS outputs
  • <1x10-12  accuracy
  • No drift
  • High stability nationally & internationally
  • 1 year warranty
  • Lowest cost available
  • Very long production life & support. Quartzlock's 2A LF tracking RX (E8-X GPS predecessor) series has been in production for >30 years.


  • No calibration required
  • Traceable reference


  • Calibration of counters, frequency meters, spectrum & network analysers
  • Synthesizers, & communication analysers
  • Reference for: VHF, UHF & PMR TX, CDMA, Tetra, DTV & DAB
  • Production test frequency standard
  • Network time protocol use in financial, utilities, security & communications timing
  • OEM
  • Standard for calibration labs, radio workshops, labs and stations


Quartzlock’s hydrogen maser based laboratory is used in production test & quality assurance to ensure compliance with offset and stability specifications.

Standard Specification:
Output Frequency 10 MHz (up to 100 MHz)
Output Level +10 dBm into 50 Ohms
1 PPS Output 1
Number of Outputs 1 (up to 12 Outputs available)
STS1s 2x10-12
STS10s 5x10-12
STS100s 2x10-12
Phase Noise 1Hz -110 dBc/Hz
Phase Noise 10Hz -136 dBc/Hz
Phase Noise 100Hz -145 dBc/Hz
Phase Noise 1Kz -155 dBc/Hz
Phase Noise 10Kz -158 dBc/Hz
Harmonics dBc -30 dBc
Spurious dBc -80 dBc
Warm Time 20 min
PSU Nominal 230 V ac
PSU Min 90 V ac
PSU Max 240 V ac
Current 250 mA
Supply AC (or 12 V dc - allows UPS operation)
OT Min -20 C
OT Max +50 C
ST Min -55 C
ST Max +85 C

Optional Extras

Below you can choose from a range of optional extras to ensure the closest match to your requirements.

Images & Information


Miniature, bench-mount, traceable, calibration-free, GPS disciplined OCXO frequency standard


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