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See [[attachment:|LVDT Signal Conditioning]] for useful background on LVDT demodulation. See [[attachment:LVDT Signal Conditioning.pdf|LVDT Signal Conditioning]] for useful background on LVDT demodulation.
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See [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1255|JGW-T1201255]] for description of the Nikhef-supplied cards. See [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1255|JGW-T1201255]] for description of the Nikhef-supplied cards, and [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4798|JGW-T1604798]] for more information on how to tune the demodulation circuit.

Summary of LVDTs Calibration Procedure(JGW-E1707287). Here: [[attachment:LVDT_Calibration.pdf| LVDT Calibration Procedure]].

||GAS Filter||Yoke Height||
||SR BF||3.5 mm||

KAGRA VIS Operations Manual - LVDT

LVDTs are used for vertical sensing and actuation in all the GAS filters and for horizontal sensing and actuation in all the IP stages.

See LVDT Signal Conditioning for useful background on LVDT demodulation.

See JGW-T1201255 for description of the Nikhef-supplied cards, and JGW-T1604798 for more information on how to tune the demodulation circuit.

Summary of LVDTs Calibration Procedure(JGW-E1707287). Here: LVDT Calibration Procedure.

GAS Filter

Yoke Height

SR BF

3.5 mm

KAGRA/Subgroups/VIS/OpsManual/LVDT (last edited 2018-09-14 17:27:24 by YoichiAso)