Differences between revisions 27 and 28
Revision 27 as of 2018-03-15 15:22:54
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Editor: EnzoTapia
Comment:
Revision 28 as of 2018-03-15 15:28:06
Size: 1944
Editor: EnzoTapia
Comment:
Deletions are marked like this. Additions are marked like this.
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||<|4> SRM: SN 1807786 ||R0 ||BF GAS ||60.6 ||5.04 Vpp || 5.04/5.04 = 1.0 ||R0 ||PI LVDT#1 ||50.0 || 4. Vpp || 4./5.02 = 0. ||
||R1 ||SF GAS ||60.1 ||4.96 Vpp || 4.96/5.04 = 0.984 ||R1 ||PI LVDT#2 ||50.0 ||4. Vpp || 4./5.02 = 0. ||
||R2 ||F0 GAS ||60.7 ||4. Vpp || 4./5.02 = 0. ||R2 ||PI LVDT#3 ||50.5 ||4. Vpp || 4./5.02 = 0. ||
||R3 ||Not used ||61.2 ||4. Vpp || 4./5.02 = 0. ||R3 ||Not used ||50.8 ||4. Vpp || 4./5.02 = 0. ||
||<|4> SRM: SN 1807786 ||R0 ||BF GAS ||60.6 ||5.04 Vpp || 5.04/5.04 = 1.0 ||R0 ||PI LVDT#1 ||50.0 || 5.0 Vpp || 5.0/5.04 = 0.992 ||
||R1 ||SF GAS ||60.1 ||4.96 Vpp || 4.96/5.04 = 0.984 ||R1 ||PI LVDT#2 ||50.0 ||4.92 Vpp || 4.92/5.02 = 0. ||
||R2 ||F0 GAS ||60.7 ||4.96 Vpp || 4.96/5.04 = 0.984 ||R2 ||PI LVDT#3 ||50.5 ||4. Vpp || 4./5.02 = 0. ||
||R3 ||Not used ||61.2 ||4.94 Vpp || 4.94/5.04 = 0.98 ||R3 ||Not used ||50.8 ||4. Vpp || 4./5.02 = 0. ||

LVDT Drivers used for the Type B suspensions

For SR2:

LVDT Driver S.N.

Left card

Stage

Resistor value [ohm]

Reference Signal

Gain

Right card

Stage

Resistor value [ohm]

Reference Signal

Gain

SR2: SN 7777777

R0

BF GAS

59.2

4. Vpp

4./5.02 = 0.

R0

PI LVDT#1

50.1

4. Vpp

4./5.02 = 0.

R1

SF GAS

36.3

4. Vpp

4./5.02 = 0.

R1

PI LVDT#2

50.6

4. Vpp

4./5.02 = 0.

R2

F0 GAS

59.6

4. Vpp

4./5.02 = 0.

R2

PI LVDT#3

51.2

4. Vpp

4./5.02 = 0.

R3

Not used

59.5

4. Vpp

4./5.02 = 0.

R3

Not used

50.0

4. Vpp

4./5.02 = 0.

For SR3:

LVDT Driver S.N.

Left card

Stage

Resistor value [ohm]

Reference Signal

Gain

Right card

Stage

Resistor value [ohm]

Reference Signal

Gain

SR3: SN 1807783

R0

BF GAS

60.0

4.90 Vpp

4.90/5.02 = 0.976

R0

PI LVDT#1

50.7

4.90Vpp

4.90/5.02 = 0.976

R1

SF GAS

60.7

4.86 Vpp

4.86/5.02 = 0.968

R1

PI LVDT#2

50.7

4.88 Vpp

4.88/5.02 = 0.972

R2

F0 GAS

60.9

4.86 Vpp

4.86/5.02 = 0.968

R2

PI LVDT#3

50.0

4.88 Vpp

4.88/5.02 = 0.972

R3

Not used

60.7

4.86 Vpp

4.86/5.02 = 0.968

R3

Not used

50.9

4.86 Vpp

4.86/5.02 = 0.968

For SRM:

LVDT Driver S.N.

Left card

Stage

Resistor value [ohm]

Reference Signal

Gain

Right card

Stage

Resistor value [ohm]

Reference Signal

Gain

SRM: SN 1807786

R0

BF GAS

60.6

5.04 Vpp

5.04/5.04 = 1.0

R0

PI LVDT#1

50.0

5.0 Vpp

5.0/5.04 = 0.992

R1

SF GAS

60.1

4.96 Vpp

4.96/5.04 = 0.984

R1

PI LVDT#2

50.0

4.92 Vpp

4.92/5.02 = 0.

R2

F0 GAS

60.7

4.96 Vpp

4.96/5.04 = 0.984

R2

PI LVDT#3

50.5

4. Vpp

4./5.02 = 0.

R3

Not used

61.2

4.94 Vpp

4.94/5.04 = 0.98

R3

Not used

50.8

4. Vpp

4./5.02 = 0.

KAGRA/Subgroups/VIS/TypeB/LVDT Driver info (last edited 2018-03-22 14:18:34 by MarkBarton)