Opened 16 years ago

Last modified 16 years ago

#35 new Measurement

Calibration des voies de feedback — at Version 1

Reported by: /C=FR/O=CNRS/OU=UMR8607/CN=Ronic Chiche/emailAddress=ronic@… Owned by:
Priority: major Milestone: Finesse = 30000
Component: Digital Feedback System Version: 1.0
Keywords: Cc:

Description (last modified by /C=FR/O=CNRS/OU=UMR8607/CN=Ronic Chiche/emailAddress=ronic@…)




07.09.09

On veut connaitre le gain reel sur chacune des voies de feedback (actuellement 2) afin de pouvoir avoir un plot correct de la fonction de transfert dans l'IHM.


Schema general de la calibration et des gains internes

chacune de ces voies integre :

  • sur PCB : gain ADC ajustable 14b + ADC 14b
  • dans le FPGA : signal LO (DDS) + Mixer + FIR passe-bas + SOS x4
  • sur PCB : DAC 14b + gain DAC ajustable 8b

Change History (1)

comment:1 by /C=FR/O=CNRS/OU=UMR8607/CN=Ronic Chiche/emailAddress=ronic@…, 16 years ago

Description: modified (diff)
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