Multi-channel pulse amplitude analyzer

Abstract

The invention provides a multi-channel pulse amplitude analyzer, wherein, channels work independently for carrying out multi-channel relevance measurement to improve measurement real-time property, and the analyzer has the advantages of simplified structure and flexible expansion. The multi-channel pulse amplitude analyzer comprises a plurality of pulse peak detection circuits, a plurality of ADCs, a plurality of multi-channel data storage circuits, a network transmission module and a timing sequence control circuit, wherein, the pulse peak detection circuits work independently for receiving a multi-channel pulse signal, detecting arrival time of peaks and outputting a plurality of screening signals respectively; the ADCs work independently for starting up A/D conversion on the multi-channel pulse signal and outputting conversion data; the multi-channel data storage circuits receive the conversion data and carry out counting storage; the network transmission module reads and outputs storage data; and the timing sequence control circuit generates a timing sequence signal for controlling an operating timing sequence of the circuits.

Description

technical field [0001] The invention relates to the technical field of nuclear electronics, in particular to a device for performing multi-channel pulse amplitude analysis in nuclear electronics. Background technique [0002] In the study of statistical physical phenomena such as nuclear radiation, it is often necessary to measure the probability distribution of its physical information, such as the probability distribution of the measured signal amplitude (amplitude spectrum) and the probability distribution of the signal generation time (time spectrum), etc., in these In nuclear radiation measurement, the multi-channel pulse amplitude analyzer is an important nuclear electronic device for measuring the amplitude spectrum. [0003] The multi-channel analyzer is a nuclear instrument that classifies the input signal according to certain information parameters, and stores and counts multiple channel addresses according to the classified categories. Among them, the present inv...

AI Technical Summary

Problems solved by technology

[0004] The traditional multi-channel pulse amplitude analyzer circuit is complicated and expensive; when realizing multi-channel measurement, it is usually realized by using a multi-channel analog hybrid circuit plus an ADC, which has the advantage of reducing costs, but since multiple channels share one ADC, There are disadvantages such as increased dead time for processing signals, reduced count rate, and difficulty in performing correlation measurements of multiple channels

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