|
Size: 3164
Comment:
|
Size: 3729
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 38: | Line 38: |
| Has RF sources for fIMC, f1, f2, f3, 2*f1, 2*f2, f3-f1, f3-f2. Has servo boards for FRC and IMC. Takes care of PD/QPDs on PSL, IMC REFL, IMC TRANS, and IMMT2 tables. |
|
| Line 39: | Line 41: |
| || RF Oscillator Source || ? || for f_IMC sideband (also for RC) || || RF Oscillator Source || ? || for f_1 sideband || || RF Oscillator Source || ? || for f_2 sideband || |
|| RF Oscillator Source || ? || for f_IMC sideband (also for Ref Cav) || || RF Distribution Amplifier || 1U || for fIMC. to PSL EOM, to Delay Line for FRC, to Delay Line for IMC, , , , , ,.|| || Delay Line Phase Shifter || 1U || for TTFSS LO (FRC lock) || || Delay Line Phase Shifter || 1U || for CM board LO (IMC LSC) || || Quad IQ Demodulator LSC || 1U || for IMCR PD(fIMC), , , .|| || Common Mode Servo Board || 1U || for IMC || || RF Oscillator Source || ? || for f_1 sideband || || RF Oscillator Source || ? || for f_2 sideband || |
Analog Electronics for Interferometer Control
Electronics
Name |
Height |
Schematics |
Power |
Description |
RF PD in air |
- |
+-18V |
has DC, RF HI, RF LOW outputs |
|
BB PD in air |
- |
|
|
broadband (for 2*f1, 2*f2 and nonresonant SB ?) |
RF QPD in air |
- |
|
|
should have 4 RF outputs, 4 DC outputs |
DC PD in air |
- |
|
|
should have DC output |
DC QPD in air |
- |
|
|
should have 4 DC outputs |
RF PD for green in air |
- |
|
|
BB might be OK |
DC PD for green in air |
- |
|
|
|
DC QPD for green in air |
- |
|
|
|
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 |
Frequency Doubler |
1U |
|
|
for sideband power monitor |
Phase Frequency Discriminator |
1U |
|
|
for ALS |
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 |
PD Interface Board |
1U |
|
+-18V |
for ribbon cables from RF PDs. 8 inputs? |
ISS Board |
? |
|
|
|
PLL Servo Board |
? |
|
|
|
OMC Servo Board |
? |
|
|
|
Photodetector list
List of the Interferometer Detection Ports JGW-T1402982
For each rack
KAGRA ISC Electrical Components Layout JGW-D1402986
IO rack
Has RF sources for fIMC, f1, f2, f3, 2*f1, 2*f2, f3-f1, f3-f2. Has servo boards for FRC and IMC. Takes care of PD/QPDs on PSL, IMC REFL, IMC TRANS, and IMMT2 tables.
Name |
Height |
Description |
RF Oscillator Source |
? |
for f_IMC sideband (also for Ref Cav) |
RF Distribution Amplifier |
1U |
for fIMC. to PSL EOM, to Delay Line for FRC, to Delay Line for IMC, , , , , ,. |
Delay Line Phase Shifter |
1U |
for TTFSS LO (FRC lock) |
Delay Line Phase Shifter |
1U |
for CM board LO (IMC LSC) |
Quad IQ Demodulator LSC |
1U |
for IMCR PD(fIMC), , , . |
Common Mode Servo Board |
1U |
for IMC |
RF Oscillator Source |
? |
for f_1 sideband |
RF Oscillator Source |
? |
for f_2 sideband |
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)