Questions....

Bruce Bowling bowling at cebaf.gov
Wed Feb 15 18:23:44 GMT 1995


A few questions to y'all...

1) What are the differences between "peak-n-hold" and
saturated injectors?  Is it just the coil resistance,
or is there more.  Why does'nt everyone use the same
type?

2) I got ahold of the documentation for the 67F687 FI
chip.  I am having a hard time understanding how one
sets up a tooth pattern from the documentation.  Has
anyone figured out what one has to write to the 
registers to make it work?  For example, how would
one set up a 50-tooth wheel with one missing tooth
(like the 7-1/4" circular saw blade I have sitting
next to me, soon to be minus one tooth)?

Thanks - Bruce



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               Bruce A. Bowling
  Staff Scientist - Instrumentation and Controls
 The Continuous Electron Beam Accelerator Facility
    12000 Jefferson Ave - Newport News, VA 23602
                 (804) 249-7240
               bowling at cebaf.gov
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