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250 Series OCXO


These oven controlled quartz crystal oscillators (OCXOs) have set the industry standards for low-cost/high stability OCXOs. Developed with versatility in mind, the designs have enabled MTI to readily meet the changing demands of the marketplace. Utilized throughout the world in telecommunications and instrumentation applications, this family of products evolved from the tried and true design of the industry leading 250 Series OCXO. The product lines offer numerous options in footprint, profile, and performance and are easily adapted to various applications.

Design Note: Base models can be customized to your specifications within the performance ranges shown below.


  • Stratum IIIe+ Performance
  • Low Phase Noise
  • Mounting & Connection Options
  • Super Low Phase Noise Options


  • Stratum III, IIIe Telephony
  • Point-to-Point Wireless
  • GPS Receivers
  • V-SAT
  • Instrumentation
  • Aerospace
Typical Performance
Parameters Available Range
Frequency: 32 kHz to 60 MHz
Thermal Stability: 2.0E-09 to 5.0E-07
Operating Temperature: -40oC to +80oC
0 to +17dBm Sine
Supply Voltage: +11 to +28V (DC)
Tuning Voltage: -10 to +10V (DC)

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