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MTI-Milliren Technologies Inc. offers a new level of Oven Controlled Crystal Oscillator (OCXO) performance to defense and aerospace OEM's with the release of the extremely durable 229 Series OCXO. Designed to withstand the most demanding environments the 229 Series OCXO has been tested and survived multiple 100G shocks as well as random acceleration of 46g rms up to 2kHz. The 229 Series is radiation hardened to tactical levels for Gamma, Neutron, and Total Dose exposures. The 229 Series OCXO maintains a long heritage from MTI's proven commercial technology and is available in a frequency range of 4.8MHz to 100MHz with thermal stability performance of +/-1.0E-08 from –54oC to +85oC at 10MHz. This rugged precision OCXO is ideal for Space, Airborne, Shipboard, or Ground Mobile and Fixed GPS applications. See the detailed performance below.

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


  • Radiation Tolerant
  • Ruggedized
  • Shock and Vibration Isolated
  • Low g-Sensitivity
  • Ultra Low Phase Noise
  • Built-in Test (BIT) Monitors
  • Dual Supplies (Optional)
  • SMA Connectors
  • Mounting Studs
  • Custom and Hermetic Package
  • Military Standard Testing


  • GPS Receivers
  • Military and Space Applications
Typical Performance
Parameters Available Range
Output Frequency: 4.8 MHz to 100 MHz
Thermal Stability: 5.00E-09 to 5.00E-07
Temperature Range: -55 oC to +85 oC
Oven Supply: +5 to +20V (DC)
Oscillator Supply: +3.3 to +15V (DC)
Output: 0 to +9dBm Sine

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