The author introduces the modern digital circuit experiment system, which applied with CPLD design.
作者介绍了应用CPLD设计的现代数字实验系统。
TTL or CMOS chips are generally used in traditional digital circuit experiment, which can not meet the demands of the digital system designing nowadays.
传统数字电路实验通常采用TTL或CMOS芯片，不能满足现代数字系统设计的要求。
The overall thought and the construction of the curriculum Analogue and Digital Circuit experiment are discussed, several characteristics of the arrangement about the experiment topics are introduced.
本文阐述了“模拟与数字电路实验”课程设置的总体思想与架构，并介绍了实验题目安排的几个特点。
We take the Full Adder as an example to introduce the use of VHDL in the design of digital system, the experiment of digital circuit and the teaching.
本文以全加器为例介绍其在数字系统设计和数字电路实验及教学中的应用。
A full digital driving circuit for inverter and a set of experiment system have been developed.
经过大量的实验，以全数字化的方法设计了一套逆变器驱动电路，并研制了一套实验系统。
This circuit may make a tri-state logic pen or is installed in the multimeter and the digital logical experiment box.
该电路可做成三态逻辑笔或装置在万用表、数字逻辑实验箱中使用。
According to the generating theory of SHEPWM wave, a design of digital firing circuit on SHEPWM based on CPLD is implemented and correctness of design is verified by practical experiment.
根据SHEP - WM波形发生原理，设计和实现一种基于CPLD的SHEPWM数字触发电路。通过实际的现场实验，验证设计的正确性。
In order to increase the occupying coefficient and reliability of digital experiment boxes, we improve power supply and panel design. The design method and the circuit diagram are presented.
为提高数字电路实验箱的利用率和可靠性，本文针对数字电路实验箱存在的问题，提出了电源和面板改进方法。
The results of the experiment shows that the method proposed can solve the problems in digital circuit fault diagnosis.
实验验证表明，本文提出的方法能够解决此类问题，取得较好的效果。
The operation principle of the digital trigger circuit is described, and the results of experiment are given.
阐述了其工作原理，给出了整机实验结果。
The operation principle of the digital trigger circuit is described, and the results of experiment are given.
阐述了其工作原理，给出了整机实验结果。
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