Collaboration For Astronomy Signal Processing and Electronics Research


CASPER Library Reference Manual

PDFs of the reference manual are no longer being updated.
Please see the wiki for library documentation

View the v7.1 on the web, or download the pdf.
View the v8.2 on the web, or download the pdf.
View the v9.2 on the web, or download the pdf.

Simulink-based Toolflow

Toolflow and library setup


This section contains links to papers written about CASPER projects and technologies.



  1. Plans for an 8-Station Dual-Polarization Correlator on the BEE2 - July 2005 (Aaron Parsons)
  2. Temperature vs. sample time ADC tests - April 2006 (Aaron Parsons, David MacMahon, Dan Werthimer)
  3. Correlator Development Plans [PDF] - April 2006 (Aaron Parsons)
  4. DC offset in FFT Butterflies - April 2006 (Aaron Parsons)
  5. Characterization of ADC frequency responses - May 2006 (Christina de Jesus)
  6. IBOB PROM burning procedure [PDF] - March 2006 (Henry Chen)
  7. ADC mismatch - June 2006 (David MacMahon)
  8. Board Schematics moved to Hardware section
  9. Characterization of ADC impedance response - July 2006 (Christina de Jesus)
  10. Xilinx System Generator for DSP in the CASPER Group [PDF] - January 2007 (Aaron Parsons, Daniel Chapman, Henry Chen)
  11. Consequences of One Bit Quantization on Signal to Noise Ratio [PDF] - January 2007 (Daniel Chapman)
  12. XAUI Transmission Error Rates on the BEE2 [PDF] - February 2007 (Aaron Parsons, Henry Chen)
  13. Xilinx XPS Software Compilation Optimization Settings [PDF] - February 2007 (Daniel Chapman, Andrew Siemion)
  14. Quantization with Four Bits [PDF] - March 2007 (Don Backer)
  15. Co-Simulation Setup Procedure [PDF] - August 2007 (Ben Blackman)
  16. Packetized FX Correlator Architectures [PDF] - September 2007 (Peter McMahon, Alan Langman, Dan Werthimer, et. al.)
  17. IBOB Fan Modification Procedure [PDF] - September 2007 (Henry Chen)
  18. 6 Gsps ADC Interleave Test [PDF] - September 2007 (Rick Raffanti)
  19. 10GbE Switch Configuration Guide [PDF] - November 2007 (Jason Manley)
  20. 10GbE Network Card Benchmarking [PDF] - February 2008 (J Manley, T Filiba, D Werthimer)
  21. IBOB XAUI Connector Fix [PDF] - March 2008 (Andrew Siemion)
  22. A feasibility study of a 4 Gbps data recorder for VLBI [PDF] - April 2008 (Jouko Ritakari et al.)
  23. Xilinx 10.1 EDK/ISE/SG Batch File Creation for use with CASPER DSP Libraries
  24. Sync Pulse Usage - July 2008 (Henry Chen, Peter McMahon, Aaron Parsons)
  25. Optimum XAUI Implementation Parameters - July 2008 (Suraj Gowda)


  1. URSI, Jan 2008, Large-N correlators - Jason Manley
  2. Beamformer for the Allen Telescope Array - William Barott
  3. The Fly's Eye - LANL/Berkeley Meeting Dec 2008 - Griffin Foster, Peter McMahon, Andrew Siemion



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