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范  威,全大英,渐  欢,等. 高性能模数变换器测试平台设计[J]. 科学技术与工程, 2020, 20(20): 8224-8232.
Fan Wei,Jian Huan,et al.Design of Test Platform for High Performance ADC Measurement[J].Science Technology and Engineering,2020,20(20):8224-8232.
高性能模数变换器测试平台设计
Design of Test Platform for High Performance ADC Measurement
投稿时间:2019-08-23  修订日期:2020-04-19
DOI:
中文关键词:  模数变换器  JESD204B  FPGA  频谱分析
英文关键词:adc  jesd204b  fpga  spectrum analysis
基金项目:浙江省自然科学基金
           
作者单位
范  威 中国计量大学
全大英 中国计量大学
渐  欢 中国计量大学
楼喜中 中国计量大学
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中文摘要:
      雷达和通信系统中使用的模数变换器(analog-to-digital converter, ADC)的带宽和采样率越来越高,接口形式从并口向JESD204B发展。为了满足ADC芯片在开发、生产、评估和应用中进行性能测试的需求,在研究ADC性能指标及其测试方法的基础上,采用高性能可编程逻辑门阵列(field-programmable gate array, FPGA)结合DSP(digital signal processor)的架构,设计了通用的高性能模数变换器性能测试平台,开发了数据采集和性能分析软件,并且针对多款不同接口形式且采样率从240 MSPS(million samples per second)到5 GSPS(gigabit samples per second)的ADC进行了性能测试实验。结果表明,该平台能够满足最新ADC的性能测试需求,具有接口灵活、运算能力强、实时性高等特点。
英文摘要:
      Bandwidth and sampling rate of the ADCs used in radar and communication systems are becoming higher and higher. Meanwhile ADC interfaces are being developed from parallel ports to serial JESD204B. In order to meet the performance measurement requirements in the design, manufacturing, sample evaluating and application development procedure of ADC chips, a test platform for high speed ADCs was designed after the ADC specifications and the test methods investigated. The test platform is based on an architecture constructed of high-performance FPGA and DSP, with the data capturing and performance analysis software developed. Experiments were carried out with multiple types of ADCs tested using the proposed platform. These ADCs under test features both in different types of interfaces and in sampling rates ranging from 240 MSPS to 5 GSPS. The results show that the proposed platform is characterized by flexible interface, strong computing ability and high real-time processing, and it can achieve the performance measurement of the newest ADCs.
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