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Entry  Fri Feb 15 20:07:28 2013, yuta, Update, Alignment, POP path set up but AS55 is broken 
    Reply  Fri Feb 15 21:22:29 2013, yuta, Update, Electronics, AS55 replaced with POP55 PD 
    Reply  Mon Feb 18 21:43:05 2013, Koji, Update, Alignment, POP path set up but AS55 is broken AS55.pdf
       Reply  Tue Feb 19 00:21:09 2013, yuta, Update, Electronics, POP path set up but AS55 is broken 
          Reply  Tue Feb 19 05:42:28 2013, Koji, Update, Electronics, POP path set up but AS55 is broken 
             Reply  Tue Feb 19 08:06:02 2013, yuta, Update, Electronics, POP path set up but AS55 is broken 
Message ID: 8102     Entry time: Tue Feb 19 00:21:09 2013     In reply to: 8100     Reply to this: 8104
Author: yuta 
Type: Update 
Category: Electronics 
Subject: POP path set up but AS55 is broken 

Hmm......
I thought AS55 is broken because it was not responding to the AS beam nor flashlight in DC. What's the DC gain difference between AS55 and POP55 (or REFL55)?

Quote:

I undertook the investigation of the AS55 PD. I found the PD is not broken.

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