LIGO Document D1300780-v5

Fast Shutter High Current Pulser Main Circuit Board

Document #:
LIGO-D1300780-v5
Document type:
D - Drawings
Other Versions:
LIGO-D1300780-v6
25 Aug 2016, 10:47
Abstract:
A circuit to supply high current pulses to the OMC Fast Shutter. This system protects the OMC photodiodes in the event of an IFO loss of lock optical transient.
Files in Document:
Other Files:
Keywords:
Pulser
Notes and Changes:
Version 5 increases the value of R27 and R31 from 50 ohms to 120 ohms to limit the maximum steady state current to the shutter coil to =100mA per analysis done in T1400684

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