Table Top Frequency Stabilization Servo

List of variants

Default

FSS

PMC

Chassis

S1301836

S1503974

Main Board

S1301837

S1503969

HV Board

S1301839

S1503973

RF Board

S1301840

S1503972

Slow Board

S1301841

S1503971

Daughter Board

S1402998

S1503975

Interface Chassis

S1301843

S1503964

Interface Board

S1301844

S1503961

Main board: Common Path

Input

g:2

g:16

g:2

default

R4:2k

default

klog#5847

EXC

-

-

-

default

R12:NL

default

klog#5847

Main board: EOM Path

Output

-

-

-

default

D1:NL, D2:NL

default

klog#5847

Main board: PZT Path

LPF1

g:8.7, p:10k

g:18, p:10k

g:1

default

R35:270

U8:NL, C36:NL, R30:0, R35:0

klog#5847

klog#306

LPF2

g:4, p:34k

g:17, p:34k

g:4, p:34k

default

R36:180

default

klog#5847

EXC

g:0.1

g:0.1

g:1

default

default

R49:5.6k

klog#5161

FAST OUT

p:10

p:10

g:1

default

default

{R46:51, C51:NL

klog#5338

HV board

PC OUT (upper)

p:160k / z:0

p:1.2k;59k / z:0

p:160k / z:0

default

R43:20k, R46:20k||20k||270p, C23:6.8n,
D3:NL, D4:NL, R53:75, C35:0Ohm, R55:0

default

klog#5847

PC OUT (lower)

Omit

?

default

U6:NL, R42:NL, R47:NL, C25:NL

U6:NL

klog#5847

klog#5203

Slow board

Input

g:0.11, p:20

g:0.11, p:20

g:0.5, p:20

default

default

R4:8.2k

klog#5254

Other 1

-

-

GND reference for U1

default

default

C5:47n||51kOhm

klog#5254

Other 2

-

-

Isolated TNC outputs (FAST/EOM) from chassis GND

default

default

using isolated tape

klog#5254

Daughter board

MIXR

g:1

g:1

g:10

default

default

R5:82k, R6:9.1k, C15:82p

klog#5326

Interface board

MIXR

g:0.5, p:0.8

g:0.5

g:0.5

default

R115:200k, R121:200k, R116:NL, R117:NL, C53:NL

C53:NL

klog#5329

FASTM

g:0.5, p:0.8

g:0.5

g:0.5

default

R99:NL, R100:NL, C52:NL

C52:NL

klog#5329

Default

FSS

PMC

Pomona box

KAGRA/Subgroups/AEL/Ciorcuits/TTFSS (last edited 2025-03-01 16:24:42 by TakahiroYamamoto)