Jump to ContentJump to Main Navigation
Semiconductor Detector Systems$
Users without a subscription are not able to see the full content.

Helmuth Spieler

Print publication date: 2005

Print ISBN-13: 9780198527848

Published to Oxford Scholarship Online: September 2007

DOI: 10.1093/acprof:oso/9780198527848.001.0001

Show Summary Details
Page of

PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 20 June 2021

WHY THINGS DON'T WORK

WHY THINGS DON'T WORK

Chapter:
(p.386) 9 WHY THINGS DON'T WORK
Source:
Semiconductor Detector Systems
Author(s):

Helmuth Spieler

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780198527848.003.0009

This chapter discusses pitfalls encountered in bringing detector systems into operation. Common interference mechanisms — e.g., power supply noise, light leaks, RF pickup, and microphonics — are described together with diagnostic and mitigation techniques. Conventional shielding and low-mass shielding techniques are presented, e.g., field line pinning and ‘self-shielding’ sensors and cables. A detailed discussion of shared current paths (‘ground loops’) illustrates that controlling current paths is much more important than ‘grounding’, which often introduces additional noise. Techniques to control current paths at the system level, in PC board layout, at the circuit level, and through connections to integrated circuits are described. Proper placement of bypass capacitors, series resonance effects, and the choice of appropriate capacitor types and ceramic dielectrics are discussed. External noise can also be suppressed by the choice of pulse shaper, e.g., to attenuate low-frequency interference. In closing, the importance of local referencing is illustrated.

Keywords:   interference, power supply noise, RF pickup, microphonics, light leaks, field line pinning, ground loops, shared current paths, bypass capacitors, local referencing

Oxford Scholarship Online requires a subscription or purchase to access the full text of books within the service. Public users can however freely search the site and view the abstracts and keywords for each book and chapter.

Please, subscribe or login to access full text content.

If you think you should have access to this title, please contact your librarian.

To troubleshoot, please check our FAQs , and if you can't find the answer there, please contact us .