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== Summing Node (ver2) ==
 * Common Part
||<style="background-color: #F0F0FF;"> ||||||<style="background-color: #F0F0FF;">'''Common Compensation''' ||||||<style="background-color: #F0F0FF;">'''Common Boost 1''' ||||||<style="background-color: #F0F0FF;">'''Common Boost 2''' ||||||<style="background-color: #F0F0FF;">'''Common Boost 3''' ||
||pole/zero ||||||40Hz/48kHz|||||| 10Hz/1kHz|||||| 10Hz/1kHz|||||| 300Hz/4.5kHz||
||Parts ||<#FF0000>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
||<style="background-color: #F0F0FF;"> ||<style="background-color: #F0F0FF;">'''Slow Boost''' ||<style="background-color: #F0F0FF;">'''Slow Compensation''' ||
||pole/zero ||4Hz/400Hz|| 4Hz pole||
||Parts ||C225:330n ||C220:330n ||

 * Fast Part
||<style="background-color: #F0F0FF;"> ||<style="background-color: #F0F0FF;">'''Fast HPF 1''' ||<style="background-color: #F0F0FF;">'''Fast HPF 2''' ||
||pole/zero ||5Hz High pass|| 5Hz High pass||
||Parts ||C275:20u ||C276:20u ||

 * Additional Changes
||<style="background-color: #F0F0FF;"> ||||<style="background-color: #F0F0FF;">'''Common Excitation''' ||
||pole/zero ||||Differential Amp||
||Parts ||<#FF0000>R82:10k ||<#FF0000>R91:10k ||

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)

004

003

JGW-S1605803

S1605811

CARM (tentative)

CARM ver1

Circuit Room (Mozumi)

2018.08.16 (Enomoto)

005

004

JGW-S1605804

S1605812

PLL X (tentative)

PLL ver1

ALS0 rack

2018.09.28 (Enomoto)

006

005

JGW-S1605805

S1605813

Gr PDH X (tentative)

Gr PDH ver1

LSC0 rack

2018.09.28 (Enomoto)

Block Diagram

CMSB Block Diagram

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

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

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

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

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

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

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 2023-12-20 17:38:36 by TakahiroYamamoto)