Front-end

status

item

comment

o

receive error/feedback signal from LSC

o

send line/injection signal to ETMX

x

send line signal to ITMX

need to rebuild and reboot ITMX model

x

TF measurement

x

IIR filter design

x

set SDF

only filter banks are monitored

#

name

unit

memo

DQ

1

K1:CAL-CS_XARM_ERR

ct

v_err

K1:LSC-XARM_IN1

2

K1:CAL-CS_XARM_CTRL

ct

v_ctrl

K1:LSC-XARM_OUT

3

K1:CAL-CS_PROC_XARM_FILT_TM_OUT

m

A_TM * v_ctrl

x

4

K1:CAL-CS_PROC_XARM_FILT_IM_OUT

m

A_IM * v_ctrl

x

5

K1:CAL-CS_PROC_XARM_FILT_MN_OUT

m

A_MN * v_ctrl

x

6

K1:CAL-CS_PROC_XARM_DELTA_CTRL

m

(A_TM + A_IM + A_MN) * v_ctrl

o

7

K1:CAL-CS_PROC_XARM_RESIDUAL

m

(1/C) * v_err

o

8

K1:CAL-CS_PROC_XARM_DISPLAYCEMENT

nm

(1/C) * v_err

o

#

name

unit

memo

1

K1:CAL-CS_PROC_XARM_FILT_INVC

m/ct

inverse sensing function

2

K1:CAL-CS_PROC_XARM_FILT_TM

m/ct

TM stage function

3

K1:CAL-CS_PROC_XARM_FILT_IM

m/ct

IM stage function

4

K1:CAL-CS_PROC_XARM_FILT_MN

m/ct

MN stage function

5

K1:CAL-CS_PROC_XARM_FILT_TDELAY

-

time delay between err and ctrl

6

K1:CAL-CS_AA_ETMX_CTRL

-

digital AA filter for 16k -> 2k

7

K1:CAL-CS_AA_ETMX_TM

-

digital AA filter for 16k -> 2k

8

K1:CAL-CS_AA_ITMX_CTRL

-

digital AA filter for 16k -> 2k

9

K1:CAL-CS_AA_ITMX_TM

-

digital AA filter for 16k -> 2k

#

TF

channels

1

G

K1:LSC-XARM_IN1 / K1:LSC-XARM_IN2

2

(1+G)/G

K1:LSC-XARM_EXC / K1:LSC-XARM_IN2

3

(1+G)

K1:LSC-XARM_EXC / K1:LSC-XARM_IN1