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Entry  Sat Jan 21 01:20:28 2012, Frank, DailyProgress, RefCav, refcav work 
    Reply  Mon Jan 23 09:16:43 2012, rana, DailyProgress, RefCav, refcav work 
       Reply  Mon Jan 23 11:36:18 2012, Frank, DailyProgress, RefCav, refcav work 
Message ID: 793     Entry time: Mon Jan 23 09:16:43 2012     In reply to: 791     Reply to this: 794
Author: rana 
Type: DailyProgress 
Category: RefCav 
Subject: refcav work 

 

 The PD seems certainly good enough - no need for new pre-amp. With such a high Q resonance, you might be limited by the 1 pA/rHz of the preamp, but if so that's OK.

Error signal size seems too small: for 1 mW and 6 kOhm from the RFPD...

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