LIGO Document D1001575-v9

aLIGO SEI (Seismic) Sensor (Sensors) and Actuator (Actuators) Electronics Chains

Document #:
LIGO-D1001575-v9
Document type:
D - Drawings
Other Versions:
LIGO-D1001575-v10
20 Feb 2024, 09:58
LIGO-D1001575-v8
09 Jan 2015, 17:53
LIGO-D1001575-v7
18 Jun 2014, 18:40
Abstract:
Simple schematic showing the readout chain for every sensor and actuator all active seismic systems for aLIGO: BSC-ISI, HAM-ISI, and HEPI. Also includes the HAM-ISI Test Stand
Notes and Changes:
- Corrected the missing zeros in the large and small ISI actuator response
- Added the HEPI pressure sensor signal chain
- Added the HEPI actuator chain (as best I understand it)

THERE is an ERROR in V1-V9:
The CPS whitening filter is not correct. It should be
[0.1447; 1.5917; +1] - Notes to follow ASAP, B. Lantz


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