Fast, real-time, DFT instrument based on VMEbus

IEEE Automatic Testing Conference.The Systems Readiness Technology Conference. Automatic Testing in the Next Decade and the 21st Century. Conference Record. Pub Date : 1989-09-25 DOI:10.1109/AUTEST.1989.81098

J. Snell

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引用次数: 2

Abstract

An emerging class of VMEbus-based test and measurement instruments is benchmarked by a recently introduced digital spectrum analyzer. The instrument performs real-time spectrum analysis in the DC-to-10 MHz range at 5000 spectrums per second. Its architecture is based on the VMEbus and is partly adapted for high-speed pipeline processing. The keyboard and color graphic displays suit basic spectrum analysis, as well as advanced analysis of amplitude vs. both frequency and time. The instrument provides a DSP (digital signal processing) programming environment when an RS232 terminal is attached. With addition of an RF spectrum analyzer, downconverter, and software, real-time analysis is extended to 21 GHz and beyond. Postprocessable spectral output makes the instrument suitable for use in a larger signal analysis or test system. This digital spectrum analyzer, which has 17 boards on the bus, is representative of an emerging class of filled-enclosure instruments.<>

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基于VMEbus的快速、实时DFT仪器

一种新兴的基于vmebus的测试和测量仪器以最近推出的数字频谱分析仪为基准。该仪器以每秒5000个频谱的速度在dc -10 MHz范围内进行实时频谱分析。其架构基于VMEbus，并部分适应高速流水线处理。键盘和彩色图形显示适合基本的频谱分析，以及振幅与频率和时间的高级分析。当连接RS232终端时，仪器提供DSP(数字信号处理)编程环境。加上射频频谱分析仪，下变频器和软件，实时分析扩展到21 GHz及以上。可后处理的光谱输出使仪器适用于较大的信号分析或测试系统。这款数字频谱分析仪在总线上有17块电路板，是新兴的填充外壳仪器的代表

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IEEE Automatic Testing Conference.The Systems Readiness Technology Conference. Automatic Testing in the Next Decade and the 21st Century. Conference Record.

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