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== Links ==
[[LCGT/subgroup/Electronics/Meetings|Meetings]]
== Meeting ==
=== 2012/11/9 10:00~ How to make a circuit using AEL ===
 . Files: [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=1384|AELの方針と
AELを利用しての回路制作]]
 . [[KAGRA/Subgroups/AEL/meeting/20121109|Minutes]]


-----

== Circuits for subsystem ==

== VIS ==
=== Reference ===
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1253|D1201253]] Test Circuit of Voice Coil Driver
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1253|D1201251]] Presentation for MIF meeting
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=1255|D1201255]] LVDT-Actuator Driver Electronics
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=1467|JGW-D1201467]]: LVDT and Voice Coil Drivers Electric Circuits (1/5/2013

{{{
LVDT
回路図JGWDocにアップロード済み

何ch必要か->100ch -> 24枚
8ch単位で一箱 12箱

回路はニケフ購入
箱詰めを考える->電源(18V)直結、インターフェース(要検討)、変調信号を中に入れる、変調周波数は固定(TAMAの回路図参考)、外部から変調周波数を入れるのも作っておく
テストピンが必要かどうか確認

位相にアクセス

箱詰めした回路の完成8月完成を目処
}}}
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== DC Power Supply == == Common Circuits or related things ==
=
== DC Power Supply ===
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== RF electronics == === RF electronics ===
Line 30: Line 62:
== Audio Frequency electronics == === Audio Frequency electronics ===
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== Safety Control == === Safety Control ===

Analog Electronics

Meeting

2012/11/9 10:00~ How to make a circuit using AEL


Circuits for subsystem

VIS

Reference

  • D1201253 Test Circuit of Voice Coil Driver

  • D1201251 Presentation for MIF meeting

  • D1201255 LVDT-Actuator Driver Electronics

  • JGW-D1201467: LVDT and Voice Coil Drivers Electric Circuits (1/5/2013

LVDT
回路図JGWDocにアップロード済み

何ch必要か->100ch -> 24枚
8ch単位で一箱 12箱

回路はニケフ購入
箱詰めを考える->電源(18V)直結、インターフェース(要検討)、変調信号を中に入れる、変調周波数は固定(TAMAの回路図参考)、外部から変調周波数を入れるのも作っておく
テストピンが必要かどうか確認

位相にアクセス

箱詰めした回路の完成8月完成を目処


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.

Safety Control

  • Mechanical shutter for photo detector protection

  • Interlock switch

KAGRA/Subgroups/AEL (last edited 2020-01-31 14:07:44 by MasahiroKamiizumi)