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Preparing an Isotopically Pure 229Th Ion Beam for Studies of 229mTh
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Microprocessor-controlled integrating read-out systems for photomultiplier tubes.

M W Blades1, G Horlick

  • 1Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada.

Talanta
|July 1, 1981
PubMed
Summary
This summary is machine-generated.

Two new wide dynamic range readout systems for photomultiplier tubes were developed using microprocessor control. These systems enhance data acquisition for atomic emission spectrometry, providing corrected values and signal-to-noise ratios.

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Area of Science:

  • Analytical Chemistry
  • Instrumentation Science

Background:

  • Photomultiplier tubes (PMTs) are crucial detectors in various scientific applications.
  • Acquiring wide dynamic range data from PMTs requires sophisticated readout systems.
  • Existing systems may have limitations in dynamic range or data processing capabilities.

Purpose of the Study:

  • To develop and implement two novel wide dynamic range integrating read-out systems for photomultiplier tubes.
  • To enable microprocessor-controlled data acquisition and analysis for enhanced measurement accuracy.
  • To facilitate the application of these systems in atomic emission spectrometry.

Main Methods:

  • Development of two distinct read-out systems: one voltage-to-frequency converter-counter based, and another summing analogue-to-digital converter values.
  • Implementation of microprocessor control for sequencing replicate measurements and data processing.
  • Utilization of a hardware floating-point package to facilitate software development for calculations.

Main Results:

  • Successful development of two microprocessor-controlled wide dynamic range integrating read-out systems.
  • Software enables calculation of background-corrected values, standard deviations, and signal-to-noise ratios for up to 32 replicates.
  • Demonstrated utility in acquiring data from a single-channel inductively-coupled plasma atomic-emission spectrometer.

Conclusions:

  • The developed read-out systems offer efficient and accurate data acquisition for PMTs.
  • Microprocessor control and dedicated software significantly improve data analysis capabilities.
  • These systems represent a valuable advancement for applications like inductively-coupled plasma atomic-emission spectrometry.