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Editor: TakahiroYamamoto
Comment:
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||??? ||??? ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9472|JGW-S1809472]]||[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9500|S1809500]] ||PDH Y ||PDH || ||LSC0 rack|| || ||

Contents

  1. List of Common Mode Servo Boards
  2. Block Diagram
  3. Oscillation Issue
  4. List of variants
  5. History
  6. Old information

List of Common Mode Servo Boards

This is a list of Common Mode Servo Boards (JGW-D1503567). Here, several different variants of CMSB are summarized.

Board S/N

Chassis S/N

CMS Board JGW

Assembled Chassis JGW

Use

Version

Additional Changes

Current Place

Confirmed Date

Remarks

001

S1503859

MZI

Default?

unknown

PSL room

003

002

JGW-S1605802

S1605810

IMC

IMC

IOO rack

2018.08.21(Nakano, Enomoto)
2021.04.15(YamaT)

???

???

JGW-S1809466

S2415689

IMC

Mozumi

2025.01.16(YamaT)

???

???

JGW-S???????

S1809504

CARM

CARM

ALS1 rack

???

???

JGW-S1809468

S2516417

CARM

Mozumi

2025.01.16(YamaT)

???

???

JGW-S???????

S1809501

PLL X

PLL

ALS0 rack

???

???

JGW-S1809467

S2415893

PLL Y

PLL

LSC0 rack

???

???

JGW-S1809460

S1809505

PLL

Mozumi

2025.01.16(YamaT)

???

???

JGW-S1809463

S1809508

PLL

Mozumi

2025.01.16(YamaT)

004

003

JGW-S1605803

S1605811

FIB X

FIB

ALS0 rack

2018.08.16 (Enomoto)

???

???

JGW-S1809464

S1809509

FIB Y

FIB

ALS0 rack

005

004

JGW-S1605804

S1605812

FIB

Mozumi

2018.09.28 (Enomoto)
2025.01.16(YamaT)

???

???

JGW-S1809465

S1809506

PDH X

PDH

LSC0 rack

???

???

JGW-S1809472

S1809500

PDH Y

PDH

LSC0 rack

006

005

JGW-S1605805

S1605813

PDH

Mozumi

2018.09.28 (Enomoto)
2025.01.16(YamaT)

???

???

JGW-S1809477

S1809503

Summing

SUM

ALS1 rack

???

???

JGW-S1809462

S1809507

SUM

cut #8 pin of U47 instead of #7 and #9 pins

Mozumi

2025.01.16(YamaT)

Block Diagram

CMSB Block Diagram

Oscillation Issue

Oscillation issue

List of variants

IMC

CARM

PLL

FIB

GrPDH

Summing

Chassis

S1605810 (002)

S1809504 (???)

S1809501 (???) for X

S1605811 (003) for X

S1809506 (???) for X

S1809503 (???)

S2415893 (???) for Y

S1809509 (???) for Y

S1809500 (???) for Y

Board

S1605802 (003)

Sxxxxxxx (???)

Sxxxxxxx (???) for X

S1605803 (004) for X

S1809465 (???) for X

S1809477 (???)

S1809467 (???) for Y

S1809464 (???) for Y

S1809472 (???) for Y

Mixer DAQ

Generic

g:100

g:100

g:100

g:100

g:100

g:100

default

default

default

default

default

default

Common

Compensation

p:40Hz / z:4kHz

p:40Hz / z:4kHz

p:40Hz / z:4kHz

p:40Hz / z:4kHz

p:40Hz / z:400Hz

p:40Hz / z:48kHz

default

default

default

default

R70:12k

R68:12k, R70:100, C121:33n

klog#5804

Boost 1

p:1kHz / z:20kHz

p:10Hz / z:1kHz

p:0Hz / z:10Hz

p:10Hz / z:1kHz

p:10Hz / z:1kHz

p:10Hz / z:1kHz

default

R72:15k, R77:165, C118:1000n

R72:omit, R77:15k, C118:1000n

R72:15k, R77:165, C118:1000n

R72:15k, R77:165, C118:1000n

R72:15k, R77:165, C118:1000n

klog#5815

klog#5671

klog#5815

klog#5804

Boost 2

p:1kHz / z:20kHz

p:10Hz / z:1kHz

p:20Hz / z:2kHz

p:10Hz / z:1kHz

p:100Hz / z:1kHz

p:10Hz / z:1kHz

default

R74:15k, R78:165, C119:1000n

R74:8.06k, C119:1000n

R74:15k, R78:165, C119:1000n

R78:165, C119:1000n

R74:15k, R78:165, C119:1000n

klog#5815

klog#5671

klog#5815

klog#5804

Boost 3

p:300Hz / z:4.5kHz

p:300Hz / z:4.5kHz

p:20Hz / z:2kHz

p:300Hz / z:4.5kHz

p:300Hz / z:4.5kHz

p:300Hz / z:4.5kHz

default

default

R76:8.06k, R79:82, C120:1000n

default

default

default

klog#5671

EXC-A

g:0.1

g:0.1

g:0.1

g:0.1

g:0.1

g:1.0

default

default

default

default

default

R82:10k, R91:10k

EXC-B

g:0.1

g:0.1

g:0.1

g:0.1

g:0.1

g:0.1

default

default

default

default

default

default

Slow

Boost

p:4Hz / z:400kHz

p:4Hz / z:400kHz

p:4Hz / z:400kHz

p:4Hz / z:400kHz

p:4Hz / z:400kHz

p:4Hz / z:400kHz

default

default

default

default

default

default

Compensation

p:4Hz

p:4Hz

p:4Hz

p:4Hz

p:4Hz

p:4Hz

default

default

default

default

default

default

Generic

g:-0.1

g:1.0

g:1.0

g:1.0

g:1.0

g:1.0

R134:0, R138:NL, R141:1k

default

default

default

default

default

klog#11454

Output Offset

g:0.5

g:0.5

g:0.5

g:0.5

g:0.1

g:0.1

default

default

default

default

R173:91k

R173:91k

klog#12594

klog#12677

Low pass

p:30kHz

p:100kHz

p:500kHz

p:100kHz

p:500kHz

p:100kHz

C261:1.5n

default

C261:100p

default

C261:100p

default

klog#11454

klog#9203

Slow DAQ

Generic

p:100Hz;100Hz / z:10Hz;10Hz

p:100Hz;100Hz / z:10Hz;10Hz

p:100Hz;100Hz / z:10Hz;10Hz

g:1.0

p:100Hz;100Hz / z:10Hz;10Hz

p:100Hz;100Hz / z:10Hz;10Hz

default

default

default

C245:NL, C246:NL, C248:NL, C249:NL

default

default

klog#21146

Fast

High pass 1

p:2kHz / z:0Hz

p:5Hz / z:0Hz

p:5Hz / z:0Hz

p:5Hz / z:0Hz

p:5Hz / z:0Hz

g:1.0

C275:NL, C279:0.047u

default

default

default

default

R178:NL, C275:NL, C279:0

klog#11454

klog#9921

High pass 2

p:36kHz

p:5Hz / z:0Hz

p:5Hz / z:0Hz

p:5Hz / z:0Hz

p:5Hz / z:0Hz

g:1.0

R179:0, R184:0, R187:2k, R188:2k, C290:2.2n

default

default

default

default

R179:NL, C276:NL, C280:0

klog#11454

klog#9921

Fast DAQ

Generic

p:100Hz;100Hz / z:10Hz;10Hz

p:100Hz;100Hz / z:10Hz;10Hz

p:100Hz;100Hz / z:10Hz;10Hz

p:100Hz;100Hz / z:10Hz;10Hz

p:100Hz;100Hz / z:10Hz;10Hz

p:100Hz;100Hz / z:10Hz;10Hz

default

default

default

default

default

default

Others

modify 1

cut connection between COMMON and FAST

cut #7 and #9 pins of U47

klog#9921

modify 2

bypass from IN2 to FAST path

connected TP4 and TP27

klog#9921

IMC

CARM

PLL

FIB

GrPDH

Summing

History

date

comment

klog

2024.09.06

Replaced chassis for PLLY S180905 -> S2415893

klog#31013

Old information

List of Variants

Red highlighted part: Exceptional Changes

Default

  • Common Part

Common Compensation

Common Boost 1

Common Boost 2

Common Boost 3

pole/zero

40Hz/4kHz

1kHz/20kHz

1kHz/20kHz

300Hz/4.5kHz

Parts

R70:1.2k

C121:33n

R72:1.5k

R77:82

C118:100n

R74:1.5k

R78:82

C119:100n

R76:4.99k

R79:374

C120:100n

  • Slow Part

Slow Boost

Slow Compensation

Slow Generic

LPF at the last stage

pole/zero

4Hz/400Hz

4Hz pole

gain as -0.1 (klog#11454)

100kHz pole --> 500kHz pole in ver2 --> 30kHz pole (klog#11454)

Parts

C225:330n

C220:330n

R134:0, R138:NL, R141:1k (klog#11454)

C261: 470p --> 100p in ver2 --> C261:1.5n (klog#11454)
  • Fast Part

Fast HPF 1

Fast HPF 2

pole/zero

5Hz High pass --> 2kHz High pass (klog#11454)

5Hz High pass --> 36kHz Low pass (klog#11454)

Parts

C275:20u --> C275:NL, C279:0.047u (klog#11454)

C276:20u --> R179:0, R184: 0, R187:2k, R188: 2k, C290: 2.2n (klog#11454)

MZI

  • Common Part

Common Compensation

Common Boost 1

Common Boost 2

Common Boost 3

pole/zero

40Hz/4kHz

10Hz/400Hz

10Hz/400Hz

1Hz/100Hz

Parts

R70:1.2k

C121:33n

R72:15k

R77:390

C118:1000n

R74:15k

R78:390

C119:1000n

R76:150k

R79:1.5k

C120:1000n

  • Slow Part

Slow Boost

Slow Compensation

pole/zero

4Hz/400Hz

4Hz pole

Parts

C225:330n

C220:330n

  • Fast Part

Fast HPF 1

Fast HPF 2

pole/zero

5Hz High pass

5Hz High pass

Parts

C275:20u

C276:20u

CARM (ver1)

  • Common Part

Common Compensation

Common Boost 1

Common Boost 2

Common Boost 3

pole/zero

40Hz/4kHz

10Hz/1kHz

10Hz/1kHz

300Hz/4.5kHz

Parts

R70:1.2k

C121:33n

R72:15k

R77:165

C118:1000n

R74:15k

R78:165

C119:1000n

R76:4.99k

R79:374

C120:100n

  • Slow Part

Slow Boost

Slow Compensation

pole/zero

4Hz/400Hz

4Hz pole

Parts

C225:330n

C220:330n

  • Fast Part

Fast HPF 1

Fast HPF 2

pole/zero

5Hz High pass

5Hz High pass

Parts

C275:20u

C276:20u

PLL (ver1)

  • Common Part

Common Compensation

Common Boost 1

Common Boost 2

Common Boost 3

pole/zero

40Hz/4kHz

0Hz/10Hz

20Hz/2kHz

20Hz/2kHz

Parts

R70:1.2k

C121:33n

R72:omit

R77:15k

C118:1000n

R74:8.06K

R78:82

C119:1000n

R76:8.06K

R79:82

C120:1000n

  • Slow Part

Slow Boost

Slow Compensation

LPF at the last stage

pole/zero

4Hz/400Hz

4Hz pole

100kHz pole --> 500kHz in ver2

Parts

C225:330n

C220:330n

C261: 470p --> 100p in ver2
  • Fast Part

Fast HPF 1

Fast HPF 2

pole/zero

5Hz High pass

5Hz High pass

Parts

C275:20u

C276:20u

Gr PDH (ver1)

  • Common Part

Common Compensation

Common Boost 1

Common Boost 2

Common Boost 3

pole/zero

40Hz/400Hz

10Hz/1kHz

100Hz/1kHz

300Hz/4.5kHz

Parts

R70:12k

C121:33n

R72:15k

R77:165

C118:1000n

R74:1.5k

R78:165

C119:1000n

R76:4.99k

R79:374

C120:100n

  • Slow Part

Slow Boost

Slow Compensation

LPF at the last stage

Slow offset

pole/zero

4Hz/400Hz

4Hz pole

100kHz pole --> 500kHz in ver2

1/10 attenuation

Parts

C225:330n

C220:330n

C261: 470p --> 100p in ver2

R173: 10k --> 91k in ver3
  • Fast Part

Fast HPF 1

Fast HPF 2

pole/zero

5Hz High pass

5Hz High pass

Parts

C275:20u

C276:20u

Summing Node (ver1)

  • Common Part

Common Compensation

Common Boost 1

Common Boost 2

Common Boost 3

pole/zero

40Hz/48kHz

10Hz/1kHz

10Hz/1kHz

300Hz/4.5kHz

Parts

R68:120k

R70:100

C121:33n

R72:15k

R77:165

C118:1000n

R74:15k

R78:165

C119:1000n

R76:4.99k

R79:374

C120:100n

  • Slow Part

Slow Boost

Slow Compensation

pole/zero

4Hz/400Hz

4Hz pole

Parts

C225:330n

C220:330n

  • Fast Part

Fast HPF 1

Fast HPF 2

pole/zero

5Hz High pass

5Hz High pass

Parts

C275:20u

C276:20u

  • Additional Changes

Common Excitation

pole/zero

Differential Amp

Parts

R82:10k

R91:10k

Summing Node (ver2)

  • Common Part

Common Compensation

Common Boost 1

Common Boost 2

Common Boost 3

pole/zero

40Hz/48kHz

10Hz/1kHz

10Hz/1kHz

300Hz/4.5kHz

Parts

R68:12k

R70:100

C121:33n

R72:15k

R77:165

C118:1000n

R74:15k

R78:165

C119:1000n

R76:4.99k

R79:374

C120:100n

  • Slow Part

Slow Boost

Slow Compensation

pole/zero

4Hz/400Hz

4Hz pole

Parts

C225:330n

C220:330n

  • Fast Part

Fast HPF 1

Fast HPF 2

pole/zero

5Hz High pass

5Hz High pass

Parts

C275:20u

C276:20u

  • Additional Changes

Common Excitation

pole/zero

Differential Amp

Parts

R82:10k

R91:10k

KAGRA/Subgroups/MIF/AEL/CMSB (last edited 2025-01-28 12:35:37 by TakahiroYamamoto)