Sifan QIAN, Lei ZHAO, Han CHEN, Shubin LIU, Qi AN. Design of a Digital Readout Module for SCA ASIC Testing[J]. Nuclear Physics Review, 2020, 37(1): 74-81. doi: 10.11804/NuclPhysRev.37.2019025
Citation:
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Sifan QIAN, Lei ZHAO, Han CHEN, Shubin LIU, Qi AN. Design of a Digital Readout Module for SCA ASIC Testing[J]. Nuclear Physics Review, 2020, 37(1): 74-81. doi: 10.11804/NuclPhysRev.37.2019025
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Design of a Digital Readout Module for SCA ASIC Testing
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Sifan QIAN1,2
,
,
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Lei ZHAO1,2
,
,
,
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Han CHEN1,2
,
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Shubin LIU1,2
,
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Qi AN1,2
- 1.
State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- 2.
Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
Funds:
Key Research Program of Frontier Sciences, CAS (QYZDB-SSW-SLH002); Science Fund for Distinguished Young Scholars of Anhui Province (1708085J07)
More Information
- Corresponding author:
ZHAO Lei, E-mail: zlei@ustc.edu.cn.
- Received Date: 2019-04-19
- Rev Recd Date:
2019-06-14
- Publish Date:
2020-03-01
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Abstract
Switched Capacitor Array (SCA) features high-speed sampling and low power consumption. High-speed waveform digitization based on SCA is an important research direction for high-precision time measurement. We are designing the SCA ASIC chips, of which several prototypes have been designed and the improvements are ongoing. In order to test and evaluate the future SCA ASIC chips, it is necessary to design a digital readout module with good compatibility. This paper presents the design of the readout module and the data readout software. The digital readout module integrates the functionality of the control, configuration and data readout of the ASIC under test within one FPGA device. A DDR3 chip is used for data caching, and a USB3.0 interface is designed for data transmission. The readout software is designed based on Python3.7 and contains the functions such as data acquisition and waveform drawing. This module was successfully used in the initial testing of the second version of the SCA prototype ASIC, and the test results indicate that the readout module works as expected.
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