ASD IC for the thin gap chambers in the LHC ATLAS experiment

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An amplifier-shaper-discriminator (ASD) chip was designed and built for Thin Gap Chambers in the forward muon trigger system of the LHC ATLAS experiment. The ASD IC uses SONY Analog Master Slice bipolar technology. The IC contains 4 $9 channels in a QFP48 package. The gain of its first stage (preamp...

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Detalles Bibliográficos
Autores principales: Sasaki, O, Yoshida, M
Lenguaje:eng
Publicado: 1998
Materias:
Detectors and Experimental Techniques
Acceso en línea:http://cds.cern.ch/record/409847
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author Sasaki, O
Yoshida, M
author_facet Sasaki, O
Yoshida, M
author_sort Sasaki, O
collection CERN
description An amplifier-shaper-discriminator (ASD) chip was designed and built for Thin Gap Chambers in the forward muon trigger system of the LHC ATLAS experiment. The ASD IC uses SONY Analog Master Slice bipolar technology. The IC contains 4 $9 channels in a QFP48 package. The gain of its first stage (preamplifier) is approximately 0.8 V/pC and output from the preamplifier is received by a shaper (main-amplifier) with a gain of 7. The baseline restoration circuit is $9 incorporated in the main-amplifier. The threshold voltage for the discriminator section is common to the 4 channels and their digital output level is LVDS-compatible. The IC also has analog output for the preamplifier. The equivalent $9 noise charge at input capacitance of 150 pF is around 7500 electrons. The power dissipation with LDVS outputs (100 Omega load) is 59 mW/ch. (8 refs).
id cern-409847
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1998
record_format invenio
spelling cern-4098472019-09-30T06:29:59Zhttp://cds.cern.ch/record/409847engSasaki, OYoshida, MASD IC for the thin gap chambers in the LHC ATLAS experimentDetectors and Experimental TechniquesAn amplifier-shaper-discriminator (ASD) chip was designed and built for Thin Gap Chambers in the forward muon trigger system of the LHC ATLAS experiment. The ASD IC uses SONY Analog Master Slice bipolar technology. The IC contains 4 $9 channels in a QFP48 package. The gain of its first stage (preamplifier) is approximately 0.8 V/pC and output from the preamplifier is received by a shaper (main-amplifier) with a gain of 7. The baseline restoration circuit is $9 incorporated in the main-amplifier. The threshold voltage for the discriminator section is common to the 4 channels and their digital output level is LVDS-compatible. The IC also has analog output for the preamplifier. The equivalent $9 noise charge at input capacitance of 150 pF is around 7500 electrons. The power dissipation with LDVS outputs (100 Omega load) is 59 mW/ch. (8 refs).oai:cds.cern.ch:4098471998
spellingShingle Detectors and Experimental Techniques
Sasaki, O
Yoshida, M
ASD IC for the thin gap chambers in the LHC ATLAS experiment
title ASD IC for the thin gap chambers in the LHC ATLAS experiment
title_full ASD IC for the thin gap chambers in the LHC ATLAS experiment
title_fullStr ASD IC for the thin gap chambers in the LHC ATLAS experiment
title_full_unstemmed ASD IC for the thin gap chambers in the LHC ATLAS experiment
title_short ASD IC for the thin gap chambers in the LHC ATLAS experiment
title_sort asd ic for the thin gap chambers in the lhc atlas experiment
topic Detectors and Experimental Techniques
url http://cds.cern.ch/record/409847
work_keys_str_mv AT sasakio asdicforthethingapchambersinthelhcatlasexperiment
AT yoshidam asdicforthethingapchambersinthelhcatlasexperiment

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