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The Road to CABB

The Road to CABB. via POCS and MOPS. Overview. Early Systems Latest System Future Systems Bandwidth Growth Trend Reasons for this Trend. Xfilt (1994) 16MHz 8 Bit Data 2 Polarizations 1 ASIC + 2 FPGAs. DAS (1997) 64MHz 8 Bit Data 2 Polarizations 19 FPGAs + ASICs. Early Systems.

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The Road to CABB

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  1. The Road to CABB via POCS and MOPS

  2. Overview • Early Systems • Latest System • Future Systems • Bandwidth Growth Trend • Reasons for this Trend

  3. Xfilt (1994) 16MHz 8 Bit Data 2 Polarizations 1 ASIC + 2 FPGAs DAS (1997) 64MHz 8 Bit Data 2 Polarizations 19 FPGAs + ASICs Early Systems

  4. Early Systems Proof Of Concept Spectrometer (POCS) • Designed on a proprietary development board • Four major design revisions

  5. POCS64 (January 2004) 64MHz, 128 Channels 8 Bit Data 1 Polarization 3 VirtexII FPGAs Not installed at Mopra POCS256 (April 2004) 256MHz, 1024 Channels 8 Bit Data 2 Polarizations Installed 3 VirtexII FPGAs Early Systems

  6. POCS256 (April 2004) 256MHz, 1024 Channels 2 Bit Data 2 Polarizations 3 VirtexII FPGAs Installed POCS600 (August 2005) 600MHz, 1024 Channels 2 Bit Data 2 Polarizations 5 VirtexII FPGAs Installed Early Systems

  7. Latest System • MOPS Z2X (October 2005) • 2200MHz, 2 Zoom Bands each of 137.5MHz and 4096 Channels • 2 Bit Data • 2 Polarizations • 5 VirtexIIPro FPGAs • Installed • 1 Terabit per second of data capable of being transferred between chips • Over 300 Billion 18 bit multiplications possible per second

  8. Latest System User has the choice of two separations between the zoom modes

  9. Latest System Results - Spectra C34S CS

  10. Latest System Results – On The Fly Mapping

  11. Future Systems • MOPS (April 2006) • 8GHz Spectrometer • 4 MOPS Z2X Boards with all zoom modes available • CABB • 2GHz Correlator • 8 Bit Data • 32 revised MOPS boards

  12. Bandwidth Growth Trend

  13. Reasons for the Trend • ASICs largely replaced by FPGAs • Major leap in technology • FPGAs are around 4 orders of magnitude larger than they were a decade ago • FPGAs have more dedicated resources • Major improvement in design tools • Simulation throughout development cycle • New debug techniques

  14. Reasons for Trend Development Tools

  15. The End of the Road

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