The sections in this page are
- Memos and Technical Reports
- VEGAS Testing
- GB hardware devlopment for VEGAS
- GB Software division VEGAS MRs and PRs
- Important CASPER reports
- Some useful data sheets
- Miscellaneous
Memos and Technical Reports
- Specifications for the VEGAS (pdf)
- VEGAS : A 10 GHz bandwidth spectrometer (pdf)
- Analog Signal Conditioning and Sampling Clock Distribution for the VEGAS (pdf)
- ADC characterization (pdf)
- Block diagram of the VEGAS (pdf)
- URSI 2011 paper on VEGAS (pdf)
- Proposed real time display for VEGAS (pdf)
- GBT receiver to VEGAS Bank mapping (pdf)
- K- and Ku-band connectivity to process the full RF bandwidth (pdf)
- VEGAS Block diag: Sheet 1 (pdf)
- VEGAS Block diag: Sheet 2 (pdf)
- VEGAS Block diag: Sheet 3 (pdf)
- VEGAS Block diag: Sheet 4 (pdf)
- VEGAS Rack Layout (pdf)
- VEGAS cabling diagrams
- DIBAS ADC Test Results (pdf)
- Accompanying plots R2-1 (pdf)
- Accompanying plots R2-2 (pdf)
- Accompanying plots R2-3 (pdf)
- Mode related parameters for configuring VEGAS modes (pdf)
- Progaming Switching Signal Generator for VEGAS modes (pdf)
- VEGAS FPGA Mode Documentation (pdf)
VEGAS Testing
Dec 12 to 16, 2011
March, 2012
June, 2013
GB hardware devlopment for VEGAS
- VEGAS analog system development
- VEGAS analog system interface document
- VEGAS switching signal distribution
- VEGAS switching signal interface (an example)
- VEGAS Heat Calculation
GB Software division VEGAS MRs and PRs
- VEGAS FITS specification
- PR for VEGAS manager
- MR for VEGAS manager coordinator
- Changes to sdfits in support of VEGAS
- Modification of GBTIDL
- Modification of GFM
- PR for the clock synthesizer interface
- Engineering display (under development)
- Modification of config tool -- I
- Tested VEGAS configurations and the Astrid unit_test output
- Modification of config tool -- II
- Modification to Astrid -- I
- Modification of IF manager
- Modification of KFPA Pipeline
- Config tool changes for KFPA broadband system
- Modification of Power Balance
- Joe's doc on KFPA pipeline processing data rates estimate with arcturus
- Astrid/Config tool changes to add IFNUM in GO FITS file
- SDFITS/GBTIDL changes to use the IFNUM in GO FITS file
- Modification of GBT status (under development)
- Modification of sensitivity calculator (under development)
Important CASPER reports
- VEGAS HPC Software Developer Documentation (pdf)
- HPC Shared Memory (pdf)
- HPC settings (pdf)
- Register definitions including switching signal register
- see CASPER VEGAS page for other reports