This paper presents a concept of memory faults generating by means of software analog in the computor, and describes design and realization of the memory fault analog generator.
本文提出了在微机上用硬件模拟产生存贮器故障的思想，并论述了存贮器故障模拟生成器的设计与实现。
This design construct an sinusoidal signal generator based on DDS(Direct Digital Frequency Synthesis), completed by MCU AT89S52 and necessary analog circuit.
本设计采用AT89S52单片机，辅以必要的模拟电路，实现了一个基于直接数字频率合成技术（DDS）的正弦信号发生器。
Therefore, this device must design analog signals generator, digital signals generator, series signals generator, pulse signals generator, audio signals generator, and video signals generator.
因而本装置包括模拟量信号发生器、开关量信号发生器、串口信号发生器、脉冲信号发生器、正弦信号发生器、音频信号发生器和图像信号发生器。
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