h1. Toroid Electronics Meeting Minutes, April 4, 2006
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h2. Contents
{maketoc}^
h1. Attendees:
| Steve Smith  | John Dusatko			| Tim Montagne |
| Hamid Shoaee			| David Dowell	| Sheng Peng |
| Mike Browne			| Arturo Alarcon			| Stephen Norum |
| | Michael Cecere | |

h1. Agenda:
# *Injector Install Solution*: What circuitry will be ready for Injector Install?
# *System Architecture*: Imaging requirements? MPS EPICS dependency?

h1. Action: (summary; see details below)
# *M. Cecere* Pursue an Analog Electronics solution for Injector Install.
# *M. Cecere* Determine MPS requirements, Interim and Permanent.
# *D. Dowell* Send revised Toroid specifications to M. Cecere
# *M. Cecere* Investigate network BW options for sending video/waveform data (from waveform imaging) back to MCC.
# *M. Cecere* Develop ESD based on Analog Interim Solution for next week

h1. Minutes:
# *Discussed Digital FPGA/DSP Design*
## Has many nice features:
### Beam Charge Determination
### EPICS Independence for MPS signal generation
### Complete waveform imaging capability
## Steve thought this project could be done in 6 months, if enough resources were dedicated. This was judged risky at this time.
# *Pre-Amp might not be needed at all*
## it was briefly mentioned that the pre-amp can be elliminated from this design and it's functions (calibration pulse generation, possible pulse stretching/conditioning) can be subsumed by the electronics board itself.
# *MPS Requirements*
## Comparator mode and Single Toroid modes both needed.
## Need independence from EPICS processing for reliability.
### This requires remebering MPS threshold values in case the host IOC locks-up.
### and a watchdog timer so Toroid board can notify MPS of problem.
# *Imaging Requirements, Still needed for Toroids?*
## If toroid designed to spec, it should provide a recoverable image of the dark current pulse.
## Dave says this requirement can be dropped for toroids, will rely on Faraday cups for imaging needed during tune-up and diagnostics.
## Therefore, Imaging requirements still needed for Faraday cup.
### can be supplied by an analog signal tap that can be fed to an o-scope or digitizing card for readback over the network.
### need to investigate network BW options for sending imaging data (video signals, digital waveform data...) back to MCC for remote observation.
# *Interim Analog-based Solution*
## can still supply imaging requirements
## MPS signal generation needs made much more difficult without the presence of digital electronics on board. adding digital electronics complicates project timeline.
### relax MPS requirements for Interim, injector install solution?