18324
Comment:
|
18711
|
Deletions are marked like this. | Additions are marked like this. |
Line 14: | Line 14: |
||<#ffff00>Quad IQ Demodulator LSC ||<#ffff00>1U ||<#ffff00>[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2412|JGW-D1402412]] ||<#ffff00>+-18V ||<#ffff00>4 LOs for 4 demodulation channels ||<#ffff00>2 ||<#ffff00>7 ||<#ffff00>1 || | ||<#ffff00>Quad IQ Demodulator LSC ||<#ffff00>1U ||<#ffff00>[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2412|JGW-D1402412]] ||<#ffff00>+-18V ||<#ffff00>4 LOs for 4 demodulation channels ||<#ffff00>0 ||<#ffff00>7 ||<#ffff00>1 || ||<#ff0000>Dual IQ Demodulator||<#ff0000>1U||<#ff0000>([[https://dcc.ligo.org/LIGO-E1100044/public|LIGO-E1100044]])||<#ff0000>+-18V||<#ff0000>2LOs for 2 demodulation channels, fast verison||<#ff0000>2||<#ff0000>3||<#ff0000> || |
Line 39: | Line 40: |
||<#ff0000>DC PD Amplifier ||<#ff0000>? ||<#ff0000> ||<#ff0000>+-18V ||<#ff0000>for DC PD in vacuum ||<#ff0000>0||<#ff0000>2||<#ff0000> || | ||<#ff0000>DC PD Amplifier ||<#ff0000>? ||<#ff0000> ||<#ff0000>+-18V ||<#ff0000>for DC PD in vacuum ||<#ff0000>0 ||<#ff0000>2 ||<#ff0000> || |
Line 72: | Line 73: |
=== Output Tables, vacuum tanks === | === Output Tables === Interface boxes for Thorlabs DC PDs are located at the respective output tables. |
Line 81: | Line 83: |
Line 85: | Line 89: |
||Quad IQ Demodulator LSC ||1U ||for IMCR(fIMC), IMMT2T(f1), IMMT2T(f2), (1ch left) ||yes || | ||Dual IQ Demodulator ||1U ||for IMCR(fIMC), (1ch left) ||yes || ||Quad IQ Demodulator LSC ||1U ||for IMMT2T(f1), IMMT2T(f2), (2ch left) || || |
Line 97: | Line 102: |
||Delay Line Phase Shifter ||1U ||for TTFSS LO(Refcav lock), CM board LO(IMC LSC) ||yes || | ||Delay Line Phase Shifter ||1U ||for TTFSS LO(Refcav lock), IMCR LO(IMC LSC) ||yes || |
Line 126: | Line 131: |
||Quad IQ Demodulator LSC ||1U ||for REFL(f1), REFL(f2), AS(f1), ASVAC(f1) ||yes || ||Quad IQ Demodulator LSC ||1U ||for REFLNRSB(f3-f1), REFLNRSB(f3-f2), (2ch left) || || |
||Dual IQ Demodulator ||1U ||for REFL(f1), REFL(f2) ||yes || ||Dual IQ Demodulator ||1U ||for POP_GR(fALSY), POS_GR(fALSX) || || ||Quad IQ Demodulator LSC ||1U ||for REFLNRSB(f3-f1), REFLNRSB(f3-f2), AS(f1), ASVAC(f1) || || |
Line 129: | Line 135: |
||Quad IQ Demodulator LSC ||1U ||for SPOS(2*f1), SPOS(2*f2), POP_GR(fALSY), POS_GR(fALSX) || || | ||Quad IQ Demodulator LSC ||1U ||for SPOS(2*f1), SPOS(2*f2), (2ch left) || || |
Line 145: | Line 151: |
||Delay Line Phase Shifter ||1U ||for CM board LO(CARM), (1ch left) ||yes || | ||Delay Line Phase Shifter ||1U ||for REFL LO(f1, CARM), REFL LO(f2, CARM) ||yes || |
Line 178: | Line 184: |
||Delay Line Phase Shifter ||1U ||for CM board LO(ALSX), CM board LO(ALSY) || || | ||Delay Line Phase Shifter ||1U ||for POS_GR LO(ALSX), POP_GR LO(ALSY) || || |
Analog Electronics for Interferometer Control
Electronics
Red rows: To be designed (or selected). Yellow rows: Not yet purchased or short of stock. Green rows: Ready for iKAGRA. White rows: Ready for bKAGRA. Pink rows: status unknown
Name |
Height |
Schematics |
Power |
Description |
Needed |
Needed |
In stock |
for PSL |
|||||||
RF Oscillator Source |
? |
Agilent |
AC |
for the time being |
3 |
7 |
5 |
RF PD |
- |
+-18V |
has RF HI, RF LOW outputs(BNC), and DC output(Dsub 9pin, which includes +-18V) |
5 |
17 |
1 |
|
DC PD |
- |
+-12V |
has DC output(BNC), needs power cable PDA-C-72 |
6 |
7 |
|
|
TTFSS |
- |
from Interface |
|
1 |
1 |
1 |
|
TTFSS Interface |
- |
+-17V,+-24V,+-200V |
|
1 |
1 |
1 |
|
AOM Driver |
- |
Crystal Technology 1110AF-AEFO-1.5 |
+28V |
|
1 |
1 |
1 |
PMC Servo Board |
- |
+-17V,+-24V,+-200V? |
may need interface board |
1 |
1 |
|
|
for IMC LSC |
|||||||
Quad IQ Demodulator LSC |
1U |
+-18V |
4 LOs for 4 demodulation channels |
0 |
7 |
1 |
|
Dual IQ Demodulator |
1U |
+-18V |
2LOs for 2 demodulation channels, fast verison |
2 |
3 |
|
|
Common Mode Servo Board |
1U |
+-17V,+-24V |
2 inputs, slow and fast outputs |
2 |
4 |
|
|
RF PD Interface Board |
1U |
+-18V |
for ribbon cables from 4 RF PDs, with whitening filter |
2 |
5 |
|
|
for IMC ASC, better PSL |
|||||||
RF QPD |
- |
+-18V |
should have 4 RF outputs, 4 DC outputs |
2 |
14 |
(5) |
|
RF QPD Interface Board |
1U |
+- 18V |
for ribbon cables from 4 RF QPDs, without whitening filter |
1 |
4 |
|
|
DC QPD |
- |
+-15V |
has 4 DC outputs(Dsub 15pin, which includes +-15V) use oplev QPD for the time being |
10 |
12 |
|
|
DC QPD Interface Board |
1U |
+-18V |
for ribbon cables from 2 DC QPDs, with whitening filter |
5 |
8 |
|
|
Quad IQ Demodulator ASC |
1U |
+-18V |
1 LO for 4 demodulation channels |
2 |
22 |
4 |
|
RF Distribution Amplifier |
1U |
+-17V,+-24V |
split into 8 |
3 |
10 |
|
|
Delay Line Phase Shifter |
1U |
+15V? |
for 2 channels |
2 |
3 |
|
|
DC PD Interface Board |
- |
+-12V |
for ribbon cables from 4 DC PDs, without whitening filter |
5 |
6 |
|
|
for DRFPMI |
|||||||
Frequency Doubler |
1U |
+-17V,+-24V |
for sideband power monitor |
0 |
2 |
|
|
Difference Frequency Generator |
1U? |
|
|
for nonresonant sidebands, 2 channels |
0 |
1 |
|
for ALS |
|||||||
RF PD for green |
- |
|
BB can be OK |
0 |
2 |
|
|
DC PD for green |
- |
+-12V |
has DC output, needs power cable PDA-C-72 |
0 |
2 |
|
|
DC QPD for green |
- |
+-15V |
has 4 DC outputs(Dsub 15pin, which includes +-15V) use oplev QPD for the time being |
0 |
4 |
|
|
Phase Frequency Discriminator |
1U |
+-17V,+-24V |
for ALS, 2 channels |
0 |
1 |
|
|
VCO with PLL |
2U |
+-17V,+-24V |
|
0 |
2 |
|
|
for better sensitivity |
|||||||
DC PD in vacuum |
- |
|
for ISS and OMCTVAC |
0 |
3 |
|
|
DC QPD in vacuum |
- |
|
bare QPD without amplifier |
0 |
10 |
|
|
DC QPD in vacuum for green |
- |
|
bare QPD without amplifier |
0 |
4 |
|
|
DC PD Amplifier |
? |
|
+-18V |
for DC PD in vacuum |
0 |
2 |
|
DC QPD Amplifier |
1U |
+-18V |
for ribbon cables from 2 DC QPDs in vacuum |
0 |
7 |
|
|
ISS Board |
? |
|
|
0 |
1 |
|
|
OMC Servo Board |
? |
|
|
|
0 |
1 |
|
RF Oscillator Source(Wenzel OCXO) |
2U |
|
|
0 |
7 |
|
References: awiki/RfDesign, awiki/LSC_Photodetectors, Cabling LIGO-D1200666
Photodetector list
(Original) List of the Interferometer Detection Ports JGW-T1402982
For each rack
KAGRA ISC Electrical Components Layout JGW-D1402986
Position of digital system racks JGW-D1100425
What's inside the digital system racks JGW-D1402831
PSL
See JGW-D1402984 for cabling.
Name |
Height |
Description |
iKAGRA? |
RF Oscillator Source |
? |
for fPMC sideband |
yes |
(RF splitter) |
- |
split fPMC into 2 for PSL EOM, PMCR LO |
yes |
PMC Servo Board |
- |
for PMC servo, receives PMCR, needs fPMC LO |
yes |
TTFSS |
- |
for Refcav servo, receives REFCAVR, needs fIMC LO from IO rack |
yes |
TTFSS Interface |
- |
for TTFSS |
yes |
DC PD Interface Board |
- |
for PMCT, REFCAVT, (2ch left) |
yes |
Output Tables
Interface boxes for Thorlabs DC PDs are located at the respective output tables.
Name |
Height |
Description |
iKAGRA? |
Location |
DC PD Interface Board |
- |
for IMCT, (3ch left) |
yes |
IMC TRANS table -> IO rack |
DC PD Interface Board |
- |
for IMMT1T, (3ch left) |
yes |
IMMT1T pylon -> IO rack |
DC PD Interface Board |
- |
for TRX, TRX_GR, (2ch left) |
yes |
TRX table -> EX4 rack |
DC PD Interface Board |
- |
for TRY, TRY_GR, (2ch left) |
yes |
TRY table -> EY4 rack |
DC PD Interface Board |
- |
for OMCT, (3ch left) |
|
AS table -> AS rack? |
IO rack
Located between PSL and MCF chamber. Generates RF for fIMC, f1, f2, f3, 2*f1, 2*f2, f3-f1, f3-f2, fALSX, and fALSY. Has servo circuits for FRC, IMC, and ISS. Takes care of PD/QPDs on PSL, IMC REFL, IMC TRANS, IMMT1, and IMMT2 tables. Also takes care of equivalent PD/QPDs in vacuum.
Name |
Height |
Description |
iKAGRA? |
PD/QPD |
|||
Dual IQ Demodulator |
1U |
for IMCR(fIMC), (1ch left) |
yes |
Quad IQ Demodulator LSC |
1U |
for IMMT2T(f1), IMMT2T(f2), (2ch left) |
|
RF PD Interface Board |
1U |
for PMCR, REFCAVR, IMCR, IMMT2T |
yes |
RF QPD Interface Board |
1U |
for IMCR_A/B, (2ch left) |
yes |
DC PD Amplifier |
1U |
for IMMT1TVAC, IMMT2TVAC, (2ch left) |
|
DC QPD Interface Board |
1U |
for IP_A/B |
yes |
DC QPD Interface Board |
1U |
for IMCT_A/B |
yes |
DC QPD Interface Board |
1U |
for IMMT2T_A/B |
yes |
DC QPD Amplifier |
1U |
for IMCTVAC_A/B |
|
DC QPD Amplifier |
1U |
for IMMT2TVAC_A/B |
|
fIMC |
|||
RF Oscillator Source |
? |
for fIMC sideband (also for Refcav) |
yes |
RF Distribution Amplifier |
1U |
for fIMC. to PSL EOM, to Delay Line for Refcav, to Delay Line for IMC LSC, to IQ Demod ASC x 2, (3ch left) |
yes |
Delay Line Phase Shifter |
1U |
for TTFSS LO(Refcav lock), IMCR LO(IMC LSC) |
yes |
Common Mode Servo Board |
1U |
for IMC servo |
yes |
Quad IQ Demodulator ASC |
1U |
for IMCR_A QPD(fIMC) |
yes |
Quad IQ Demodulator ASC |
1U |
for IMCR_B QPD(fIMC) |
yes |
f1 |
|||
RF Oscillator Source |
? |
for f1 sideband |
yes |
RF Distribution Amplifier |
1U |
for f1. to PSL EOM, to PSL EOAM, to LSC racks, to Frequency Doubler, to Diff. Freq. Generator, to IMMT2T LO, (2ch left) |
yes |
Frequency Doubler |
1U |
f1 to 2*f1 for ISC racks |
|
f2 |
|||
RF Oscillator Source |
? |
for f2 sideband |
|
RF Distribution Amplifier |
1U |
for f2. to PSL EOM, to LSC racks, to Frequency Doubler, to Diff. Freq. Generator, to IMMT2T LO, (3ch left) |
|
Frequency Doubler |
1U |
f1 to 2*f1 for ISC racks |
|
f3 |
|||
RF Oscillator Source |
? |
for f3 to splitter |
|
(RF splitter) |
- |
split f3 into 2 for Diff. Freq. Generator |
|
Diff. Freq. Generator |
1U? |
make f3-f1 for ISC racks, make f3-f2 for ISC racks |
|
fALSX,fALSY |
|||
RF Oscillator Source |
? |
for fALSX sideband for ISC racks |
|
RF Oscillator Source |
? |
for fALSY sideband for ISC racks |
|
Others |
|||
ISS Board |
?? |
|
|
ISC racks
Stands for LSC, ASC1, ASC2 and AUX racks located between PR3 and PR2 chambers. Has servo circuits for CARM, ALSX, and ALSY. Takes care of PD/QPDs on REFL, POP, POS, POX, POY, and AS tables. Also takes care of equivalent PD/QPDs in vacuum.
Name |
Height |
Description |
iKAGRA? |
PD/QPD |
|||
Dual IQ Demodulator |
1U |
for REFL(f1), REFL(f2) |
yes |
Dual IQ Demodulator |
1U |
for POP_GR(fALSY), POS_GR(fALSX) |
|
Quad IQ Demodulator LSC |
1U |
for REFLNRSB(f3-f1), REFLNRSB(f3-f2), AS(f1), ASVAC(f1) |
|
Quad IQ Demodulator LSC |
1U |
for POP(f1), POP(f2), SPOP(2*f1), SPOP(2*f2) |
|
Quad IQ Demodulator LSC |
1U |
for SPOS(2*f1), SPOS(2*f2), (2ch left) |
|
Quad IQ Demodulator LSC |
1U |
for POX(f1), POX(f2), POY(f1), POY(f2) |
|
Quad IQ Demodulator LSC |
1U |
for REFLVAC(f1), REFLVAC(f2), POPVAC(f1), POPVAC(f2) |
|
Quad IQ Demodulator LSC |
1U |
for POXVAC(f1), POXVAC(f2), POYVAC(f1), POYVAC(f2) |
|
RF PD Interface Board |
1U |
for REFL, REFLNRSB, AS, SPOS |
yes |
RF PD Interface Board |
1U |
for POX, POY, POP, SPOP |
|
RF PD Interface Board |
1U |
for POP_GR, POS_GR, POXVAC, POYVAC |
|
RF PD Interface Board |
1U |
for REFLVAC, POPVAC, ASVAC, (1ch left) |
|
RF QPD Interface Board |
1U |
for REFL_A/B, POP_A/B |
|
RF QPD Interface Board |
1U |
for AS_A/B, ASVAC_A/B |
|
RF QPD Interface Board |
1U |
for REFLVAC_A/B, POPVAC_A/B |
|
f1 |
|||
RF Distribution Amplifier |
1U |
for f1. to Delay Line for CARM, POP LO, POX LO, POY LO, AS LO, REFLVAC LO, ASVAC LO, to RF Dist. |
yes |
RF Distribution Amplifier |
1U |
for f1. to POPVAC LO, POXVAC LO, POYVAC LO, IQ Demod ASC x 3, to RF Dist. |
|
RF Distribution Amplifier |
1U |
for f1. IQ Demod ASC x 7, to RF Dist. |
|
RF Distribution Amplifier |
1U |
for f1. IQ Demod ASC x 2, (6ch left) |
|
Delay Line Phase Shifter |
1U |
for REFL LO(f1, CARM), REFL LO(f2, CARM) |
yes |
Common Mode Servo Board |
1U |
for CARM servo |
yes |
Quad IQ Demodulator ASC |
1U |
for REFL_A QPD(f1) |
|
Quad IQ Demodulator ASC |
1U |
for REFL_B QPD(f1) |
|
Quad IQ Demodulator ASC |
1U |
for POP_A QPD(f1) |
|
Quad IQ Demodulator ASC |
1U |
for POP_B QPD(f1) |
|
Quad IQ Demodulator ASC |
1U |
for AS_A QPD(f1) |
|
Quad IQ Demodulator ASC |
1U |
for AS_B QPD(f1) |
|
Quad IQ Demodulator ASC |
1U |
for REFLVAC_A QPD(f1) |
|
Quad IQ Demodulator ASC |
1U |
for REFLVAC_B QPD(f1) |
|
Quad IQ Demodulator ASC |
1U |
for POPVAC_A QPD(f1) |
|
Quad IQ Demodulator ASC |
1U |
for POPVAC_B QPD(f1) |
|
Quad IQ Demodulator ASC |
1U |
for ASVAC_A QPD(f1) |
|
Quad IQ Demodulator ASC |
1U |
for ASVAC_B QPD(f1) |
|
f2 |
|||
RF Distribution Amplifier |
1U |
for f2. to REFL LO, POP LO, POX LO, POY LO, REFLVAC LO, POPVAC LO, POXVAC LO, RF Dist. |
|
RF Distribution Amplifier |
1U |
for f2. to POYVAC LO, RF Dist., (6ch left) |
|
RF Distribution Amplifier |
1U |
for f2. IQ Demod ASC x 8 |
|
Quad IQ Demodulator ASC |
1U |
for REFL_A QPD(f2) |
|
Quad IQ Demodulator ASC |
1U |
for REFL_B QPD(f2) |
|
Quad IQ Demodulator ASC |
1U |
for POP_A QPD(f2) |
|
Quad IQ Demodulator ASC |
1U |
for POP_B QPD(f2) |
|
Quad IQ Demodulator ASC |
1U |
for REFLVAC_A QPD(f2) |
|
Quad IQ Demodulator ASC |
1U |
for REFLVAC_B QPD(f2) |
|
Quad IQ Demodulator ASC |
1U |
for POPVAC_A QPD(f2) |
|
Quad IQ Demodulator ASC |
1U |
for POPVAC_B QPD(f2) |
|
2*f1,2*f2 |
|||
(RF splitter) |
- |
split 2*f1 into 2 for SPOP LO, SPOS LO |
|
(RF splitter) |
- |
split 2*f2 into 2 for SPOP LO, SPOS LO |
|
f3-f1,f3-f2 |
|||
|
|||
fALSX,fALSY |
|||
(RF splitter) |
- |
split fALSX into 2 for POS EOM, Delay Line for ALSX |
|
Delay Line Phase Shifter |
1U |
for POS_GR LO(ALSX), POP_GR LO(ALSY) |
|
Common Mode Servo Board |
1U |
for ALSX servo |
|
(RF splitter) |
- |
split fALSY into 2 for POP EOM, Delay Line for ALSY |
|
Common Mode Servo Board |
1U |
for ALSY servo |
|
Phase Frequency Discriminator |
1U |
for ALSX, ALSY |
|
VCO with PLL |
2U |
for ALSX |
|
VCO with PLL |
2U |
for ALSY |
|
EX4 rack
Located close to EXC chamber. Takes care of PD/QPDs on TRX table. Also takes care of equivalent PD/QPDs in vacuum.
Name |
Height |
Description |
iKAGRA? |
PD/QPD |
|||
DC QPD Interface Board |
1U |
for TRX_A/B |
yes |
DC QPD Interface Board |
1U |
for TRX_GR_A/B |
|
DC QPD Amplifier |
1U |
for TRXVAC_A/B |
|
DC QPD Amplifier |
1U |
for TRXVAC_GR_A/B |
|
EY4 rack
Located close to EYC chamber. Components should be the same as those in EX4.
AS rack
Should be located close to OMM chamber. Takes care of PD/QPDs for OMC servo.
Name |
Height |
Description |
iKAGRA? |
PD/QPD |
|||
DC PD Amplifier |
- |
for OMCTVAC, (3ch left) |
|
DC QPD Interface Board |
1U |
for OMCT_A/B |
|
DC QPD Amplifier |
1U |
for OMCTVAC_A/B |
|
Others |
|||
OMC Servo board |
?? |
for OMC lock |
|
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)