Cart (Loading....) | Create Account
Close category search window

On the performance and limitations of a dual threshold discriminator pixel readout circuit for LHC

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

5 Author(s)
Einsweiler, K. ; Lawrence Berkeley Nat. Lab., California Univ., Berkeley, CA, USA ; Joshi, A. ; Marchesini, R. ; Pengg, F.
more authors

The analog front-end of pixel readout electronics with dual threshold discriminator scheme has been measured extensively to determine the optimum performance and performance limitations of the circuit. The preamplifier shows a peaking time of 20 ns without capacitive load, which degrades to only 30 ns with a load of 350 fF. The LEVEL-discriminator has an adjustable threshold in the range of 2000 to 6000e- with a variable separation to the TIME-discriminator threshold of 800 to 1600e-. The circuit allows the full suppression of out-of-time signals under the conditions of 350 fF capacitive load and a total power consumption of 40 μW per cell. The untuned threshold dispersion is measured to be 320e- r.m.s., which reduces to 70e- r.m.s. after threshold adjust. The overall noise of the circuit reaches a value of about 200e- r.m.s. with 350 fF capacitive load and 20 nA of parallel current at the preamplifier input. Further measurements characterize the time-over-threshold (TOT) behaviour and the double-pulse resolution of the circuit

Published in:

Nuclear Science, IEEE Transactions on  (Volume:46 ,  Issue: 4 )

Date of Publication:

Aug 1999

Need Help?

IEEE Advancing Technology for Humanity About IEEE Xplore | Contact | Help | Terms of Use | Nondiscrimination Policy | Site Map | Privacy & Opting Out of Cookies

A not-for-profit organization, IEEE is the world's largest professional association for the advancement of technology.
© Copyright 2014 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.