Legacy WFS Interface Board

Document #:

LIGO-D1100546-v2

Document type:

D - Drawings

Abstract:

A two channel interface board used to support the initial LIGO WFS heads. DC gain is supplied for the four quadrants of photocurrent. DC power and HV bias is supplied through the interface connector serving each head.

Files in Document:

• PDF of Schematic and Layout (wfs_old_v2.pdf, file is not accessible)
• zipped Gerber Files for Board Manufacture (wfs_old_v2.zip, file is not accessible)

Other Files:

• Bill of materials in Excel Format (wfs_old_bom_v2.xlsx, file is not accessible)
• ODB++ Files (wfs_old.zip, file is not accessible)
• Pick and Place File for board stuffing (Pick Place for wfs_old.txt, file is not accessible)
• Zip file containing Altium project files (wfs_old_v2 (2-20-2014 4-36-56 PM).zip, file is not accessible)

ICS/JIRA Record:

• ICS_LINK

Topics:

• Final Design
• Sensing and Control

Authors:

• Rich Abbott

Keywords:

wfs interface

Notes and Changes:

Revision v2 - Corrected error in calculated gain given on amplifier schematic.
Changed R2 on amplifier schematic from 499 ohms to 100k
Corrected typo on D3 DC power indicating LED silkscreen

Referenced by:

• LIGO-D1100751-v1: Legacy WFS Interface Module Rear Panel
• LIGO-D1100749-v1: Legacy WFS Interface Module
• LIGO-D1100750-v2: Legacy WFS Interface Module Front Panel