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Entry  Thu Oct 21 05:51:10 2010, kiwamu, Update, Locking, no green beat note 
    Reply  Thu Oct 21 15:59:28 2010, kiwamu, Update, Locking, no green beat note : details bw.png
Message ID: 3750     Entry time: Thu Oct 21 05:51:10 2010     Reply to this: 3754
Author: kiwamu 
Type: Update 
Category: Locking 
Subject: no green beat note 

 Still I didn't see any beat note signals..

 With a help from Suresh, Yuta and Rana, I tried searching for the green beat note by changing the temperature of the X end NPRO.

The noise level after it goes through an RF amplifier (G=23dB) was about -70dBm at 50MHz.

This noise may cover the beat note signal.

I am going to post some details later.

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