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Entry  Mon Oct 21 12:25:46 2019, gautam, Update, ALS, DFD electronics checkout ALSnoiseAnomaly.pdfDFDcalib.pdfspectra.pdfPTgains.pdf
    Reply  Tue Oct 22 15:32:15 2019, gautam, Update, ALS, EX uPDH electronics checkout uPDH_X_OLTFs.pdf
       Reply  Wed Oct 23 10:23:26 2019, rana, Update, ALS, EX uPDH electronics checkout 
          Reply  Wed Oct 23 11:11:01 2019, gautam, Update, ALS, EX uPDH electronics checkout 
    Reply  Fri Oct 25 01:04:49 2019, gautam, Update, ALS, ALS electronics chain was saturating 
       Reply  Mon Oct 28 23:20:11 2019, gautam, Update, ALS, ALS power budget 
Message ID: 14987     Entry time: Wed Oct 23 11:11:01 2019     In reply to: 14986
Author: gautam 
Type: Update 
Category: ALS 
Subject: EX uPDH electronics checkout 

The closest thing I can think of is here.

Quote:

Is there a loop model of green PDH that agrees with the measurement? I'm wondering if something can be done with a compensation network to up the bandwidth or if the phase lag is more like a non-invertible kind.

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