研究目的
To develop and describe an analog-to-digital converter and intelligent controller for use in a DAQ system processing PMT signals from very high energy astrophysics experiments, enabling high precision and efficiency in recording and analyzing Cherenkov signals.
研究成果
The developed BPA-8 ADC and K-167 intelligent crate-controller have been accepted for use in upgrading telescope systems, providing high accuracy and efficiency in recording PMT signals for reliable extraction and analysis of gamma-ray signals from astrophysical objects. Future work includes developing a new controller based on phyCORE-i.MX7 for extended capabilities.
研究不足
The paper does not explicitly mention specific limitations, but potential areas for optimization could include further reducing noise, increasing dynamic range, or enhancing data transfer speeds.
1：Experimental Design and Method Selection:
The study involves the design and implementation of multi-channel analog-to-digital converters (BPA-8) and an intelligent crate-controller (K-167) for data acquisition in astrophysics experiments, based on CAMAC standards and using components like FPGAs and ADCs for signal processing.
2：Sample Selection and Data Sources:
Not specified in the paper.
3：List of Experimental Equipment and Materials:
Includes BPA-8 ADC modules, K-167 crate controller, CAMAC modules, ADG719 switch, AD7980 ADC, Intel MAX-10 FPGA, XC95288XL CPLD, miniMODUL-167 SBC, and related electronic components.
4：Experimental Procedures and Operational Workflow:
The system processes PMT signals by digitizing them using the ADC, controlled by the FPGA and crate controller, with data transferred via CAMAC interface for further computer processing. Trigger signals initiate conversion cycles.
5：Data Analysis Methods:
Not detailed in the paper.
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ADG719
ADG719
Analog Devices
Monolithic CMOS SPDT switch used as an analog key (linear gate) in the ADC module
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AD7980
AD7980
Analog Devices
16-bit analog-to-digital converter with SPI serial interface for digitizing integrated charge of signals
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BPA-8
BPA-8
Not specified
Multi-channel analog-to-digital converter for digitizing PMT signals in astrophysics experiments
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K-167
K-167
Not specified
Intelligent crate-controller for managing data acquisition modules in CAMAC systems
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Intel MAX-10 FPGA
MAX-10
Intel
Control core in the ADC module for processing and storing digitized codes
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XC95288XL CPLD
XC95288XL
Xilinx
Used in the crate controller for logic integration and control functions
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miniMODUL-167
miniMODUL-167
Phitec
Single-board computer used in the crate controller for processing and control
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PCAN-PC
PCAN-PC
Phitec
PCI interface board for connecting the crate controller to a PC via CAN-bus
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