OX-305The OX–305 is a 100 MHz ultra low phase noise ovenized crystal oscillator with a noise floor as low as –178 dBc/Hz in a compact 20 mm x 20 mm x 13 mm enclosure. Designed for applications that demand extremely low noise sources; including the reference oscillator for a phase–locked loop in the microwave spectrum. Custom frequencies available upon request.


  • 100 MHz standard, other frequencies available
  • Package Size: 20 x 20 x 13 mm
  • –135 dBc/Hz at 100 Hz offset
  • –178 dBc/Hz at 100 kHz offset
  • Temperature stability:
       ±100ppb at –20 to 70°C
       ±200ppb at –40 to 85°C

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