DCN for component changes to Single Channel WFS RFPD

Document #:

LIGO-E1300112-x0

Document type:

E - Engineering documents

Abstract:

Details of the component changes to render this design insensitive to loss of a single power supply.

Files in Document:

None

Topics:

• Sensing and Control

Authors:

• Rich Abbott

Keywords:

DCN RFPD

Notes and Changes:

In response to single supply sensitivity, changed U2 from AD8597 to LT1128, changed U1 from AD8599 to AD8672, removed C14 to stabilize LT1128. Bypassed C16 and C19 with reverse biased 1N4001 diode to clamp the +/-15V regulated supplies.

Related Documents:

• LIGO-D1200066-v3: aLIGO ISC Single Channel Wavefront Sensor

Referenced by: