Size: 1617
Comment:
|
Size: 1875
Comment:
|
Deletions are marked like this. | Additions are marked like this. |
Line 15: | Line 15: |
|| Quad IQ Demodulator LSC || 1U || || +-18V ||4 LOs for 4 demodulation channels || || Quad IQ Demodulator ASC || 1U || || +-18V ||1 LO for 4 demodulation channels || || Common Mode Servo Board || 1U || || +-17V,+-24V ||2 inputs, slow and fast outputs || |
Analog Electronics for Interferometer Control
Electronics
Name |
Height |
Schematics |
Power |
Description |
RF PD |
- |
+-18V |
has DC, RF HI, RF LOW outputs |
|
RF QPD |
- |
|
|
should have 4 RF outputs, 4 DC outputs |
DC PD |
- |
|
|
should have DC output |
DC QPD |
- |
|
|
should have 4 DC outputs |
TTFSS |
- |
from Interface |
|
|
TTFSS Interface |
- |
+-17V,+-24V,+-200V |
|
|
PMC Servo Board |
- |
|
+-17V,+-24V,+-200V? |
may need interface board |
RF Oscillator Source |
? |
Agilent |
AC |
for the time being |
RF Distribution Amplifier |
1U |
|
+-17V,+-24V |
split into 8 |
Delay Line Phase Shifter |
1U |
|
+15V? |
1 input, 1 output? |
Quad IQ Demodulator LSC |
1U |
|
+-18V |
4 LOs for 4 demodulation channels |
Quad IQ Demodulator ASC |
1U |
|
+-18V |
1 LO for 4 demodulation channels |
Common Mode Servo Board |
1U |
|
+-17V,+-24V |
2 inputs, slow and fast outputs |
* Ref: awiki/RfDesign
For each rack
* KAGRA ISC Electrical Components Layout JGW-D1402986
IO rack
Plan (as of 2012-08)
- Test fabrication of RF PD (by the end of September ?, test in October)
- Compile other analog circuit designs from LIGO into KAGRA spec. (by the end of October)
- Design frequency stabilization related circuits with NAOJ group (by the end of FY2012)