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SpaceABLE SM 40G (full duplex) and 120G

Radiation-resistant optical transceivers

The SpaceABLE® SM radiation resistant transceivers are engineered to withstand radiation doses >100 krad (Si). The SpaceABLE SM embedded optical modules are rugged devices offering high bandwidth (greater than 120 Gbps) in a chip-size package. All devices are tested following ECSS process and lot acceptance testing, and component pre-screening is done for every batch of transceivers sold for this application.

Features & Benefits

  • Small: Less than 5 mm high
  • Rugged: withstand radiation doses >100 krad (Si) and qualified per MIL-STD 883 shock and vibration
  • Expected life: up to 20 years
  • Cold start temperature: –55ºC
  • Performance: up to 10.3125 Gbps/lane from –40ºC to 100ºC
  • Sensitivity: –9 dBm for BER 10–12
  • Low power consumption: 85 mW/lane (<10 pJ per bit))
  • 4 TRX (4+4)-lane per device (40G, full duplex)
  • 12 TX or 12 RX lane per device (120G)
  • Multimode 850 nm wavelength laser
  • Standard MT parallel fiber connector
  • Surface mountable or pluggable
  • RoHS or tin-lead
  • Monitoring: LOS, RSSI, temperature, etc

Applications

  • High-throughput communication satellites
  • Internet of Space
  • VPX single board computers
  • High I/O density, high BW communication links
Drawing of SpaceABLE SM 40
Drawing of SpaceABLE SM 40 (full duplex) and 120G Dimensions are given in mm

Space Qualification Tests

Test Summary

  • Proton testing: Total Non-Ionizing Dose (TNID)
  • Heavy ion testing: Single Event Effect & Latch-up (SEE and SEL)
  • Gamma Ray using Cobalt-60: Total Ionizing Dose (TID)
  • Random vibration: NASA GEVS, GSFC-STD-7000A
  • TVAC: Vacuum < 5E-5 hPa
  • Outgassing: ECSS-Q-ST-70-02C

LightABLE qualifications

  • Vibration tests per MIL-STD-883, Method 2007.3
  • Mechanical shock tests per MIL-STD-883, Method 2002.4
  • Thermal shock tests per MIL-STD-883, Method 1011.9
  • Damp heat tests per MIL-STD-202, Method 103B
  • Cold storage tests per MIL-STD-810, Method 502.5
  • Thermal cycling tests per MIL-STD-883, Method 1010.8

References

Stephen Buchner, Paul Marshall, Scott Kniffin and Ken LaBel. “Proton testing guidelines”, NASA/Goddard Space Flight Center, 2002.
Doug Sinclair and Jonathan Dyer. “Radiation Effects and COTS Parts in SmallSats”, SSC, 2013.

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