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
Entry  Wed Aug 11 15:27:16 2010, Jenna, Update, Electronics, Rubidium clock phase noise 08_11_Rb_withspec.pdf
    Reply  Wed Aug 11 16:38:02 2010, Jenna, Update, Electronics, Rubidium clock phase noise 
Message ID: 3400     Entry time: Wed Aug 11 15:27:16 2010     Reply to this: 3402
Author: Jenna 
Type: Update 
Category: Electronics 
Subject: Rubidium clock phase noise 

We unsynched the clocks by unhooking the 1pps locking. I've added it to the plot of the other measurements here, and we've divided by a factor of sqrt(2) in the calibration to get the phase noise from just one clock, so the calibration is now

pi (rad) /6415 (counts) /100/sqrt(2).

I've also added the noise of the clock according to SRS to the plot.

The units of this plot are rad/rt(Hz). I've no idea why it just says magnitude.

Attachment 1: 08_11_Rb_withspec.pdf  492 kB  Uploaded Wed Aug 11 16:57:08 2010  | Hide | Hide all
ELOG V3.1.3-