mRO-50 Ruggedized

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mRO-50 Ruggedized Image

The mRO-50 Ruggedized Oscillator from Safran is a Robust Low SWaP-C Mini-Rubidium Oscillator with a frequency of 10 MHz. This ruggedized oscillator has been designed to meet the latest military and aerospace requirements where time stability and power consumption are critical. It has a wide-range operating temperature from -40°C to 80°C and can be used for a wide range of applications like underwater, military communications, radars, low earth orbit, electronic warfare, airborne and unmanned vehicles.

The oscillator provides a one-day holdover below 1µs and a retrace below 1E-10 in a form factor (50.8 x 50.8 x 20mm) that takes up only 51 cc of volume (about one-third of the volume compared to standard rubidium) and consumes only 0.36W of power, which is about ten times less than existing solutions with similar capabilities.

With these competitive advantages, the new mRO-50 Ruggedized miniaturized rubidium oscillator provides accurate frequency and precise time synchronization to mobile applications, such as military radio-pack systems in GNSS-degraded or denied environments.

Product Specifications

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Product Details

  • Part Number
    mRO-50 Ruggedized
  • Manufacturer
    Safran Electronics & Defense
  • Description
    10 MHz Ultra-Portable Ruggedized Rubidium Oscillator

General Parameters

  • Frequency
    10 MHz
  • Output Waveform
    Square Wave
  • Frequency Retrace
    ±0.1 ppb
  • Warm-up time
    Less than 2 min
  • Grade
    Space Qualified
  • Aging
    Per day < (option A) 5E-12 / day
  • Supply Voltage
    5 V (3.3 V Option also available)
  • Input Power
    0.45 to 1.5 W
  • Spurious
    -80 dBc
  • Phase Noise
    -140 to -60 dBc/Hz
  • Phase Noise 1 kHz
    -97 dBc/Hz
  • Phase Noise 10 kHz
    -140 dBc/Hz
  • Phase Noise 100 Hz
    -120 dBc/Hz
  • Short Term Stability
    = 6 x 10-11 (1 Sec)
  • Short Term Stability 100s
    0.01 ppb
  • Short Term Stability 10s
    0.03 ppb
  • Short Term Stability 1s
    0.1 ppb
  • Application
    Aerospace & Defense, UAV, GNSS, Telecommunication
  • Package Type
    Surface Mount
  • Dimension
    50.8 x 50.8 x 20 mm
  • Weight
    80 g
  • Operating Temperature
    -40 to 80 Degree C
  • Storage Temperature
    -55 to 85 Degree C

Technical Documents