aLIGO SEI Sensor Readout Chains

Document #:

LIGO-D1001575-v7

Document type:

D - Drawings

Abstract:

Simple schematic showing the readout chain for every sensor all active seismic systems for aLIGO: BSC-ISI, HAM-ISI, and HEPI. Also includes the HAM-ISI Test Stand

Files in Document:

• aLIGO_SEI_SensorCalibration-v7.pdf (188.0 kB)

Other Files:

• aLIGO_SEI_SensorCalibration-v7.graffle (628.7 kB)

ICS/JIRA Record:

• ICS_LINK

Topics:

• Final Design
• Seismic Isolation
• Commissioning
• Assembly

Authors:

• Jeffrey Kissel

Keywords:

HEPI HAM BSC ISI Sensors aLIGO Calibration

Notes and Changes:

Fixed BSC-ISI ST1 T240 trillium interface from a fixed gain of +1 and switchable gain of +113 to a fixed gain of +2 and switchable gain of +57, as is indicated in D1000749-v3.

Related Documents:

• LIGO-D0902742: aLIGO HAM GS-13 Interface Board (Obsolete)
• LIGO-D070164: ISI Interface Chassis - Block Diagram
• LIGO-D0902742: aLIGO HAM GS-13 Interface Board (Obsolete)
• LIGO-D1000067: aLIGO HAM ISI Interface Chassis
• LIGO-D070081: AdL AA and AI Filter Board (65 kHz)
• LIGO-D1000757: L4C Interface (Obsolete)
• LIGO-D040019: STS-2 Interface Board
• LIGO-D080521: HEPI Pier Interface Schematic and PCB
• LIGO-D1000749: Trillium 240 Interface