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 |
|
MZI |
Default? |
unknown |
PSL room |
|
|
|
003 |
002 |
IMC |
Default |
no changes made in signal path |
IOO rack |
2018.08.21(Nakano, Enomoto) |
|
||
004 |
003 |
CARM (tentative) |
CARM ver1 |
|
Circuit Room (Mozumi) |
2018.08.16 (Enomoto) |
|
||
005 |
004 |
PLL X (tentative) |
PLL ver1 |
|
ALS0 rack |
2018.09.28 (Enomoto) |
|
||
006 |
005 |
Gr PDH X (tentative) |
Gr PDH ver1 |
|
LSC0 rack |
2018.09.28 (Enomoto) |
|
||
??? |
??? |
Gr PDH X |
|
|
LSC0 rack |
|
|
||
??? |
??? |
PLL X |
|
|
ALS0 rack |
|
|
||
??? |
??? |
PLL Y |
|
|
ALS0 rack |
|
|
||
??? |
??? |
CARM |
|
|
ALS1 rack |
|
|
||
??? |
??? |
Summing node |
|
|
ALS1 rack |
|
|
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 |
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 |
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 |
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 |