|
Size: 2267
Comment:
|
Size: 2446
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 2: | Line 2: |
| == Links == [[LCGT/subgroup/Electronics/Meetings|Meetings]] |
== Meeting == [[KAGRA/Subgroups/AEL/Meetings/20121109]] |
| Line 13: | Line 14: |
| * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1255|D1201255]] LVDT-Actuator Driver Electronics | |
| Line 14: | Line 16: |
== DC Power Supply == |
---- == Common Circuits or related things == === DC Power Supply === |
| Line 26: | Line 29: |
| == RF electronics == | === RF electronics === |
| Line 39: | Line 42: |
| == Audio Frequency electronics == | === Audio Frequency electronics === |
| Line 55: | Line 58: |
| == Safety Control == | === Safety Control === |
Analog Electronics
Meeting
KAGRA/Subgroups/AEL/Meetings/20121109
Circuits for subsystem
VIS
Reference
D1201253 Test Circuit of Voice Coil Driver
D1201251 Presentation for MIF meeting
D1201255 LVDT-Actuator Driver Electronics
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