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| == Links == [[LCGT/subgroup/Electronics/Meetings|Meetings]] |
== Meeting == === 2013/8/19 15:00~ === . Files: . [[KAGRA/Subgroups/AEL/meeting/20130902|Minutes]] === 2013/8/19 15:00~ === . Files: * [[attachment:KAGRA/Subgroups/AEL/private/OpLev_System Wiring052611-1.pdf|Oplev top view]] * [[https://dcc.ligo.org/LIGO-D1100290-v1/public|Oplev pre-amp]] * [[https://dcc.ligo.org/LIGO-D1100013-v1/public|Whitening filter]] . [[KAGRA/Subgroups/AEL/meeting/20130819|Minutes]] === 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 == |
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| == DC Power Supply == | == VIS == <<Anchor(VIS)>> === LVDT driver === * [[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 * [[attachment:KAGRA/Subgroup/AEL/VIS/LVDT.zip|LVDT pictures]] ==== 2013/2/15 meeting (高橋、宮川、上泉) ==== *何ch必要か -> 100ch -> 基板24枚 * 8ch単位で一箱 -> 計12箱 * 基板はニケフから購入することを考える * 基板の箱詰めを考える * 安定化電源内臓のため、外部から18Vを直結 * インターフェース -> 要検討 * 位相ねじにフロントパネルからアクセス(穴をあける) * テストピンが必要かどうか確認 * 変調信号出力を箱の中に内臓 * 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 * 箱詰めした回路の完成8月完成を目処 ---- == Common Circuits or related things == === DC Power Supply === |
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| == RF electronics == | === RF electronics === |
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| == Audio Frequency electronics == | === Audio Frequency electronics === |
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| == Safety Control == | === Safety Control === |
Analog Electronics
Meeting
2013/8/19 15:00~
- Files:
2013/8/19 15:00~
2012/11/9 10:00~ How to make a circuit using AEL
Files: AELの方針と AELを利用しての回路制作
Circuits for subsystem
VIS
LVDT driver
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
2013/2/15 meeting (高橋、宮川、上泉)
何ch必要か -> 100ch -> 基板24枚
8ch単位で一箱 -> 計12箱
- 基板はニケフから購入することを考える
- 基板の箱詰めを考える
- 安定化電源内臓のため、外部から18Vを直結
インターフェース -> 要検討
- 位相ねじにフロントパネルからアクセス(穴をあける)
- テストピンが必要かどうか確認
- 基板の箱詰めを考える
- 変調信号出力を箱の中に内臓
- 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
- 箱詰めした回路の完成8月完成を目処
Common Circuits or related things
DC Power Supply
Bipolar 24 Volt power supply
24V power supplier / selection report
Connector and cable
Cables for DC24V selection report
High voltages
- QPD vias voltage (In TAMA case, 180V)
Coil driver (LIGO High-Voltage type: >140V)
PZT driver (DC >100V or AC power supply)
RF electronics
Oscillator
RF Photo detector
N. Mio JPCS, 122, (2008) 012014
H. Grote RSI, 78, (2007), 054704
RF QPD detector
Demodulator
EOM driver
Audio Frequency electronics
- As a general rule, differential signal transfer should be applied.
- Dsub 9-pin connector and cable
- 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