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SpaceABLE 28G SL Series 4TRX, 12TX, and 12RX

Radiation-resistant optical transceivers

The SpaceABLE ® 28G SL Series radiation resistant transceivers are engineered to withstand radiation doses >100 krad (Si). The SpaceABLE 28G SL Series low profile screw-in module mounts to the board via an LGA connector (interposer). It is offered as a either a (4+4)-lane transceiver (100G full-duplex) or as separate 12-channel transmitter and 12-channel receiver modules (300G half-duplex, as a pair) that operate at up to 28 Gbps per channel over a recommended operating temperature range of –40 ºC to 85 ºC at ultra-low bit error rates of 10-9.

Features & Benefits

All our devices are tested following ECSS process and lot acceptance. Component pre-screening can be done for every batch of transceivers sold for this application..

  • Small: less than 6 mm high (module and interposer)
  • Rugged: withstand radiation doses >100 krad (Si) and qualified per MIL-STD 883 shock and vibration.
  • Expected life: up to 20 years
  • Performance: up to 28 Gbps/channel over a recommended operating temperature range of –40 ºC to 85 ºC
  • Link budget: >7 dB with BER 10–9 (measured at 25.7 Gbps).
  • ​Low power consumption: 160 mW/channel (<6 pJ per bit)
  • 4 TRX (4+4)-lane per module (100G, full duplex)
  • 12 TX or 12 RX channel per module (300G half duplex)
  • Multimode 850 nm wavelength laser
  • Over 60 m reach on OM3 or OM4 ribbon fiber
  • Standard MT parallel fiber connector
  • RoHS
  • Monitoring: LOS, RSSI, temperature, etc.
  • Attaches to system board with 1,55 mm LGA interposer

Applications

  • High-throughput communication satellites
  • LEO satellite constellations
  • GEO satellites
  • Board-to-board and payload-to-payload connections
  • High I/O density, high BW communication link
Drawing of SpaceABLE 28G SL
Drawing of SpaceABLE 28G SL radiation resistant embedded transceiver. 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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