40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
  40m Log  Not logged in ELOG logo
 List  |  Find  |  Login  |  Help 
Entry  Tue Jun 19 23:27:27 2018, gautam, Update, SUS, ETMX coil driver work in AM tomorrow 
    Reply  Thu Jun 21 00:14:01 2018, gautam, Update, SUS, ETMX coil driver out 
       Reply  Thu Jun 21 03:13:37 2018, gautam, Update, SUS, ETMX coil driver noise ETMXsticthced.pdfETMXFullSpan.pdfETMXCoilDriver.fil.zip
          Reply  Sun Jun 24 20:02:07 2018, gautam, Update, SUS, Some notes about coil driver noise CoilDriverSchematic.pdfD010001_2k_fastOnly_2.25k.pdfD010001_4k_fastOnly_4.5k.pdf
             Reply  Tue Jun 26 16:28:00 2018, gautam, Update, SUS, Coil driver protoboard characterization IMG_7060.JPGETMXstitchced.pdfETMXfullSpan.pdfPSRR.pdf
       Reply  Thu Jun 21 18:25:57 2018, gautam, Update, SUS, ETMX coil driver re-installed 
Message ID: 13988     Entry time: Tue Jun 19 23:27:27 2018     Reply to this: 13992
Author: gautam 
Type: Update 
Category: SUS 
Subject: ETMX coil driver work in AM tomorrow 

Per discussion today eve, barring objections, I will do the following tomorrow morning:

  1. Remove ETMX coil driver board from 1X9
    • Change series resistances on the fast path to 2x4k in parallel. One will be snipped off once we are happy we can still lock.
    • Remove AD797s, potentiometers.
    • Thick film-->thin film for important components.
  2. Remove ETMX de-whitening board from 1X9
    • Remove x3 analog gain.
    • Thick film-->thin film for important components.
ELOG V3.1.3-