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  Sat Oct 29 22:57:03 2011, Mirko, Update, LSC, AM modulation due to non-optimal SB frequency IMC.pdf
    Reply  Tue Nov 1 13:41:38 2011, Mirko, Update, LSC, AM modulation due to non-optimal SB frequency IMC.pdf
Message ID: 5774     Entry time: Tue Nov 1 13:41:38 2011     In reply to: 5763
Author: Mirko 
Type: Update 
Category: LSC 
Subject: AM modulation due to non-optimal SB frequency 

Quote:

[Kiwamu, Mirko]

Non-optimal 11MHz SB frequency causes PM to be transformed into AM.
m_AM / m_PM = 4039 * 1kHz / df , with df beeing the amount the SB freq. is off.

Someone might want to double check ths.

 Actually there was an error.

For 11MHz it is:
m_AM / m_PM = 2228 * 1kHz / df

For 55MHz:
m_AM / m_PM = 99.80 * 1kHz / df

see PDF

Attachment 1: IMC.pdf  68 kB  | Hide | Hide all
IMC.pdf
ELOG V3.1.3-