aLIGO ISC QPD Transimpedance Amplifier Test Procedure

Document #:

LIGO-T1100160-v9

Document type:

T - Technical notes

Abstract:

Test procedure for aLIGO QPD Trans-impedance Amplifier Chassis with revision v2 QPD Amplifier boards, and revision v5 front panel interface circuit boards.

Files in Document:

• PDF Version (D1002481_QPD_test_v9.pdf, 246.2 kB)

Other Files:

• Word Version (D1002481_QPD_test_v9.docx, 226.6 kB)

Topics:

• System Test
• Sensing and Control

Authors:

• Rich Abbott
• Mohana Mageswaran
• Charles Osthelder

Keywords:

qpd transimpedance

Notes and Changes:

Version 9 adds testing details to cover the latest revision of the circuit board D1001974 (version 3 is the latest covered version). This new board has a sum output and an optional whitening bypass jumper

Related Documents:

• LIGO-T0900423: ISC Quadrant Photodetector Design
• LIGO-D1002481: ISC Dual QPD Transimpedance Amplifier Chassis

Referenced by:

• LIGO-D1002481-v2: ISC Dual QPD Transimpedance Amplifier Chassis