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Study and realisation of a double integration charge encoder at VXI standard; Etude et realisation d`un codeur de charge double integration au standard VXI

Abstract

The 16 channels charge encoder herein described equips the Phoswich scintillators which, associated with photomultiplier tubes, constitutes the first ring of the INDRA Multidetector. This 4 {pi} Multidetector, located at GANIL at Caen, is first presented. In this encoder, two integrations are made, offering a distinction between the fast component of the signal from the detector and the slow one (decreasing times: 2,4 ns and 320ns respectively). This measurement is performed by the integration of each component within an adjustable time-gate. Apart from the two integrations, the encoder realizes the detection of the impulsion with a constant fraction discriminator, the generation of the two gates and a test function. The use of surface mounted components together with the choice of the VXI interconnection standard, also presented in this report, allowed highly integrated electronics. The encoder uses the sliding scale principle. It also includes the electronics for some programmable adjustments, the remote visualisation of important signals and the logic for the conversion. (author). 22 refs.
Authors:
Publication Date:
Jul 01, 1994
Product Type:
Thesis/Dissertation
Report Number:
LPCC-T-94-03
Reference Number:
SCA: 440103; PA: AIX-26:053261; EDB-95:092509; ERA-20:019398; NTS-96:003135; SN: 95001414220
Resource Relation:
Other Information: TH: Memoire (Ing. CNAM).; PBD: Jul 1994
Subject:
44 INSTRUMENTATION, INCLUDING NUCLEAR AND PARTICLE DETECTORS; PLASTIC SCINTILLATION DETECTORS; DATA ACQUISITION SYSTEMS; CAMAC SYSTEM; CHARGE COLLECTION; DIGITAL-TO-ANALOG CONVERTERS; ELECTROMETERS; ELECTRONIC CIRCUITS; FASTBUS SYSTEM; FOUR-PI COUNTING; GANIL CYCLOTRON; PULSE INTEGRATORS; THRESHOLD DETECTORS
OSTI ID:
66247
Research Organizations:
Caen Univ., 14 (France). Lab. de Physique Corpusculaire; Conservatoire National des Arts et Metiers (CNAM), 75 - Paris (France)
Country of Origin:
France
Language:
French
Other Identifying Numbers:
Other: ON: DE95631497; TRN: FR9501916053261
Availability:
INIS; OSTI as DE95631497
Submitting Site:
FRN
Size:
141 p.
Announcement Date:
Jul 13, 1995

Citation Formats

Leconte, A. Study and realisation of a double integration charge encoder at VXI standard; Etude et realisation d`un codeur de charge double integration au standard VXI. France: N. p., 1994. Web.
Leconte, A. Study and realisation of a double integration charge encoder at VXI standard; Etude et realisation d`un codeur de charge double integration au standard VXI. France.
Leconte, A. 1994. "Study and realisation of a double integration charge encoder at VXI standard; Etude et realisation d`un codeur de charge double integration au standard VXI." France.
@misc{etde_66247,
title = {Study and realisation of a double integration charge encoder at VXI standard; Etude et realisation d`un codeur de charge double integration au standard VXI}
author = {Leconte, A}
abstractNote = {The 16 channels charge encoder herein described equips the Phoswich scintillators which, associated with photomultiplier tubes, constitutes the first ring of the INDRA Multidetector. This 4 {pi} Multidetector, located at GANIL at Caen, is first presented. In this encoder, two integrations are made, offering a distinction between the fast component of the signal from the detector and the slow one (decreasing times: 2,4 ns and 320ns respectively). This measurement is performed by the integration of each component within an adjustable time-gate. Apart from the two integrations, the encoder realizes the detection of the impulsion with a constant fraction discriminator, the generation of the two gates and a test function. The use of surface mounted components together with the choice of the VXI interconnection standard, also presented in this report, allowed highly integrated electronics. The encoder uses the sliding scale principle. It also includes the electronics for some programmable adjustments, the remote visualisation of important signals and the logic for the conversion. (author). 22 refs.}
place = {France}
year = {1994}
month = {Jul}
}