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SpaceABLE SL 40G (full duplex) and 120G

Radiation-resistant optical transceivers

The low profile SpaceABLE® SL screw-in module (4.5 mm) mounts to the board via an LGA connector. It is offered as a (4+4)-lane transceiver, a 12-channel transmitter, or a 12-channel receiver. All modules operate at 10.3125 Gbps per lane from −40 °C to 100°C at ultra-low bit error rates of 10-12. The optical module includes equalizers and pre-emphasis to compensate long traces; these features can be turned off for short traces (less than 10 cm) to reduce power consumption.

Features & Benefits

  • 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 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
  • Over 100 m reach on OM3 ribbon fiber
  • Standard MT parallel fiber connector
  • LGA connector
  • RoHS
  • Equalizer, pre-emphasis, adjustable output
  • Monitoring: LOS, RSSI, temperature, etc.

Applications

  • High-throughput communication satellites
  • LEO satellite constellations
  • GEO satellites (with extended lifetime option)
  • Board-to-board and payload-to-payload connections
  • High I/O density, high BW communication links
SpaceABLE SL 40G and 120G
Drawing of SpaceABLE SL 40G and 120G. Dimensions are given in mm.
Fiber assignment of SpaceABLE SL 40G
Fiber assignment of SpaceABLE SL 40G (full duplex)
Fiber assignment of SpaceABLE SL 120G
Fiber assignment of SpaceABLE SL 120G

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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