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High-speed parallel multi-path multi-path-data system for mulclear spectroscope and nuclear electronics

A data system and nuclear electronics technology, applied in the field of nuclear spectroscopy and nuclear electronics, can solve problems such as the inability to meet the measurement requirements for simultaneous recording of multi-channel related nuclear events, simplify the measurement device and use technology, improve efficiency, The effect of reducing the cost of construction and use

Inactive Publication Date: 2007-06-13
INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
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Problems solved by technology

The first type of pulse multi-channel analyzer cannot meet the measurement requirements of simultaneously recording multiple related nuclear events due to the time-sharing processing of multi-channel information by a single ADC.

Method used

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  • High-speed parallel multi-path multi-path-data system for mulclear spectroscope and nuclear electronics
  • High-speed parallel multi-path multi-path-data system for mulclear spectroscope and nuclear electronics
  • High-speed parallel multi-path multi-path-data system for mulclear spectroscope and nuclear electronics

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Embodiment Construction

[0021] Figure 1 shows the functional block diagram of the specific implementation of the system.

[0022] A high-speed parallel multi-channel multi-channel data system for nuclear spectroscopy and nuclear electronics, consisting of four independent analog-to-digital conversion A / D conversion channels, field programmable gate array FPGA chips, data transmission modules, and single-chip microcomputers , the A / D analog-to-digital conversion channel is connected to the FPGA chip, and the FPGA chip is connected to the computer through the data transmission module and the single-chip microcomputer.

[0023] 14-bit high-speed ADC analog-to-digital converter is adopted, and the sampling rate can reach up to 65MHz to ensure sampling accuracy and sampling speed; the A / D conversion channel is mainly composed of differential amplifier AD8138 and A / D conversion chip AD9244. The differential amplifier AD8 138 is connected to the A / D conversion chip AD9244 chip.

[0024] AD9244 is a bipolar...

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Abstract

The invention relates to high speed parallel multichannel data system for nucleus spectrum and nuclear electronics. It is made up of 4 independent channels, and includes analog circuit, 14 bits ADC, and a 4 channel timer distributor. The analog signal would be transformed to digital quantity and input into large capacity FPGA chip to take online analysis of time, amplitude, sampling points information and relativity, taking effective data selection and inputting into host computer through network or USB2.0 interface.

Description

technical field [0001] The invention relates to the technical field of nuclear spectroscopy and nuclear electronics, in particular to a high-speed parallel multi-channel multi-channel data system for nuclear spectroscopy and nuclear electronics. Background technique [0002] In nuclear spectroscopy measurement, multi-channel analyzers are measurement units that record and analyze pulse information of nuclear physics events, and are divided into single-channel multi-channel (multichannel) analyzers and multi-parameter (multi-parameter) multi-channel analyzers. Multi-parameter and multi-channel measurement is an important part of nuclear spectroscopy experiments and measurements, and is widely used in various nuclear physics experiments and nuclear analysis techniques. Its core principle is to record the energy and time information of pulse signals from various channels (channels) at the same time or time-sharing, and analyze, process and record the data to obtain the physical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/36G01T1/17
Inventor 王宝义王丹妮章志明马创新魏龙
Owner INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
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