aLIGO ISC QPD Transimpedance Amplifier Test Procedure

Document #:

LIGO-T1100160-v8

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_test_doc_v8.pdf, 249.6 kB)

Other Files:

• Word Version (D1002481_test_doc_v8.docx, 225.1 kB)

Topics:

• Sensing and Control
• System Test

Authors:

• Rich Abbott
• Mohana Mageswaran
• Charles Osthelder

Keywords:

qpd transimpedance

Notes and Changes:

Opened the noise specification from +/-2dB to +/-3dB to allow for part to part variation in an otherwise non-critical parameter

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• LIGO-T0900423: ISC Quadrant Photodetector Design