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-S1605803

S1605810

IMC

Default

no changes made in signal path

IOO rack

2018.08.21(Nakano, Enomoto)
2021.04.15(YamaT)

004

003

JGW-S1605803

S1605811

CARM (tentative)
FIB X

CARM ver1

Circuit Room (Mozumi)
ALS0 rack

2018.08.16 (Enomoto)

005

004

JGW-S1605804

S1605812

PLL X (tentative)
FIB Y

PLL ver1

ALS0 rack

2018.09.28 (Enomoto)

006

005

JGW-S1605805

S1605813

Gr PDH X (tentative)
Gr PDH Y

Gr PDH ver1

LSC0 rack

2018.09.28 (Enomoto)

???

???

JGW-S1809472

S1809500

Gr PDH X

LSC0 rack

???

???

JGW-S1809460

S1809505

PLL X

ALS0 rack

???

???

JGW-S???????

S1809501

PLL Y

ALS0 rack

???

???

JGW-S???????

S1809504

CARM

ALS1 rack

???

???

JGW-S1809477

S1809503

Summing node

ALS1 rack

Block Diagram

CMSB Block Diagram

List of Variants

Red highlighted part: Exceptional Changes

Default

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 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 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 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 Boost

Slow Compensation

pole/zero

4Hz/400Hz

4Hz pole

Parts

C225:330n

C220:330n

Fast HPF 1

Fast HPF 2

pole/zero

5Hz High pass

5Hz High pass

Parts

C275:20u

C276:20u

CARM (ver1)

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 Boost

Slow Compensation

pole/zero

4Hz/400Hz

4Hz pole

Parts

C225:330n

C220:330n

Fast HPF 1

Fast HPF 2

pole/zero

5Hz High pass

5Hz High pass

Parts

C275:20u

C276:20u

PLL (ver1)

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 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 HPF 1

Fast HPF 2

pole/zero

5Hz High pass

5Hz High pass

Parts

C275:20u

C276:20u

Gr PDH (ver1)

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 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 HPF 1

Fast HPF 2

pole/zero

5Hz High pass

5Hz High pass

Parts

C275:20u

C276:20u

Summing Node (ver1)

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 Boost

Slow Compensation

pole/zero

4Hz/400Hz

4Hz pole

Parts

C225:330n

C220:330n

Fast HPF 1

Fast HPF 2

pole/zero

5Hz High pass

5Hz High pass

Parts

C275:20u

C276:20u

Common Excitation

pole/zero

Differential Amp

Parts

R82:10k

R91:10k

Summing Node (ver2)

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 Boost

Slow Compensation

pole/zero

4Hz/400Hz

4Hz pole

Parts

C225:330n

C220:330n

Fast HPF 1

Fast HPF 2

pole/zero

5Hz High pass

5Hz High pass

Parts

C275:20u

C276:20u

Common Excitation

pole/zero

Differential Amp

Parts

R82:10k

R91:10k

In preparation

IMC

CARM

PLL

FIB

GrPDH

Summing

Chassis

S1605810 (002)

S1809504 (???)

S1809505 (???) for X

S1605811 (003) for X

S1809506 (???) for X

S1809503 (???)

S1809501 (???) for Y

S1809509 (???) for Y

S1605813 (005) for Y

Board

S1605802 (003)

Sxxxxxxx (???)

S1809460 (???) for X

S1605803 (004) for X

S1809465 (???) for X

S1809477 (???)

Sxxxxxxx (???) for Y

S1809464 (???) for Y

S1605805 (006) for Y

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

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

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

IMC

CARM

PLL

FIB

GrPDH

Summing

KAGRA/Subgroups/MIF/AEL/CMSB (last edited 2023-12-20 17:38:36 by TakahiroYamamoto)