Quartzlock Products


The Quartzlock E8000 GPS Frequency Reference is a breakthrough in exceptionally low cost, traceable, 1-U rack mount,  calibration-free, off-air frequency & time standards. These very low cost references maintain the high frequency & time accuracy required for demanding applications. Ultra low noise option are available.


  • 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.
  • Low noise options: -115dBc/Hz @ 1 Hz offset and -169dBc/Hz. @ 100 kHz


  • 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.

Option 09 - Add 6 Output Distribution Card

  • Description: Add 6 Output Distribution Card
  • Output Level: 13dBm
  • Number Of Outputs: 6
  • STS 1s: 2x10-13
  • STS 10s: 2x10-14
  • STS 100s: 5x10-15
  • Phase Noise 1Hz: <130dBc
  • Phase Noise 10Hz: <145dBc
  • Phase Noise 100Hz: <150dBc
  • Phase Noise 1Kz: <155dBc
  • Phase Noise 10Kz: <155dBc
  • Harmonics dBc: -55dBc
  • PSU Nominal: 12V
  • PSU Max: 11V
  • PSU Max: 14V
  • Current: <100mA
  • Supply: DC

Option 47 - Add High Gain GPS Antenna & Standard PSU

    Option 48 - User Specified Low Noise Output

      Images & Information


      1U rack mount, traceable, calibration-free, GPS disciplined TCXO frequency standard.


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