A new pulse height analysis system based on fast ADC digitizing technique

Author

Takahashi, Hiroyuki ; Kodama, Satoshi ; Kawarabayashi, Jun ; Iguchi, Tetsuo ; Nakazawa, Masaharu

Author_Institution

Dept. of Nucl. Eng., Tokyo Univ., Japan

Volume

40

Issue

4

fYear

1993

fDate

8/1/1993 12:00:00 AM

Firstpage

626

Lastpage

629

Abstract

A fast digitizing system is used as a new pulse height analysis system in nuclear spectroscopy applications. Input signals are processed by a computerized data processing system composed of a fast analog-to-digital converter (ADC) (200 MHz/10 b) and a Unix workstation. Measurements are made with a large volume HPGe detector and ⁶⁰Co γ-ray source. Better energy resolution of 1.7 keV is obtained in this system, compared to 2.0 keV in the conventional system with a shaping circuit of 6-μs time constant. Digital analysis of the pulse waveforms gives an improved peak-to-Compton ratio. This technique has the potential to analyze individual signals more precisely and to be used as an advanced signal processing method

Keywords

analogue-digital conversion; computerised spectroscopy; particle spectrometers; pulse height analysers; signal processing; Unix workstation; computerized data processing system; fast ADC digitizing technique; fast analog-to-digital converter; nuclear spectroscopy applications; peak-to-Compton ratio; pulse height analysis system; signal processing method; Analog-digital conversion; Application software; Data processing; Gamma ray detection; Gamma ray detectors; Gas detectors; Signal processing; Spectroscopy; Volume measurement; Workstations;

fLanguage

English

Journal_Title

Nuclear Science, IEEE Transactions on

Publisher

ieee

ISSN

0018-9499

Type

jour

DOI

10.1109/23.256629

Filename

256629