LIGO Document E1400164-v2

ECR: Increase drive range for the Quad UIM actuators

Document #:
LIGO-E1400164-v2
Document type:
E - Engineering documents
Other Versions:
Abstract:
ECR to modify the output stages of the ETM UIM coil drivers, to give a factor of 4 more range. See LIGO-T1400223 for details of the modifications.
Files in Document:
Other Files:
Notes and Changes:
-v2 extends the change to all quad UIM drivers, not just ETMs, so that we don't have two types of quad UNIm drivers

approved by Peter Fritschel and Dennis Coyne 3/31/2014
see Integration Issue & ECR tracker:
https://services.ligo-wa.caltech.edu/integrationissues/show_bug.cgi?id=762

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