DEVELOPMENT OF DATA-ACQUISITION FOR DELAY-LINE READOUT GAS PROPORTIONAL CHAMBERS

Authors
HELSBY WI BERRY A HALL CJ JONES AO LEWIS RA PARKER B SUMNER I
Citation
Wi. Helsby et al., DEVELOPMENT OF DATA-ACQUISITION FOR DELAY-LINE READOUT GAS PROPORTIONAL CHAMBERS, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 348(2-3), 1994, pp. 329-333
Citations number
4
Categorie Soggetti
Nuclear Sciences & Tecnology","Physics, Particles & Fields","Instument & Instrumentation",Spectroscopy
Journal title
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment → ACNP
ISSN journal
01689002
Volume
348
Issue
2-3
Year of publication
1994
Pages
329 - 333
Database
ISI
SICI code
0168-9002(1994)348:2-3<329:DODFDR>2.0.ZU;2-Z
Abstract
A delay line readout system for the instrumentation of X-ray multiwire gas proportional chambers has been used successfully since 1986. Deve lopments in analogue to digital converter and sample and hold technolo gy have made possible significant re-engineering of the system to prov ide better resolution, linearity and rate. The resolution has been imp roved from 512 to 2048 pixels while the differential linearity has bee n reduced from +/-90% to +/-2%. The system is designed to work with de lay lines greater-than-or-equal-to 100 ns, giving mean data rates of u p to 1.5 MHz of random X-ray events. Images can be collected in 1D or 2D and a pileup rejector is included which reliably rejects multiple o r partial events.