Differences between revisions 41 and 48 (spanning 7 versions)
Revision 41 as of 2010-11-01 12:11:30
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Revision 48 as of 2010-12-02 16:33:55
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Deletions are marked like this. Additions are marked like this.
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 * '''High voltages'''
  . QPD vias voltage (In TAMA case, 180V)
  . Coil driver (LIGO High-Voltage type: >140V)
  . PZT driver (DC >100V or AC power supply)
Line 33: Line 37:

 * Ultra-Low-Noise Amp.
  . NF SA200F3

== Safety Control ==
 * '''Mechanical shutter for photo detector protection'''
 * '''Interlock switch'''

Electronics

DC Power Supply

RF electronics

Audio Frequency electronics

  • As a general rule, differential signal transfer should be applied.
  • Dsub 9-pin connector and cable
  • Digital front-end circuits

    • Anti-Alias / Anti-Imaging filter
    • Differential signal buffer Amp.
    • Whitening / De-whitening filter
  • Coil driver

  • AF photo detector for DC readout

  • Optical lever sensor

  • Ultra-Low-Noise Amp.
    • NF SA200F3

Safety Control

  • Mechanical shutter for photo detector protection

  • Interlock switch

LCGT/subgroup/Electronics (last edited 2012-06-06 12:48:41 by OsamuMiyakawa)