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随着电子工业和计算机工业的蓬勃发展,Protel99SE以其强大的功能,为电子设计者们提供了现代电子设计手段,使设计者们能快捷、准确地设计出原理图和印制电路板。文章从功能结构、工作原理、功能扩展几个方面介绍由Protel辅助设计的电话自动报警器。
With the explosive growth of the electronics and computer industries, Protel99SE provides electronic designers with modern electronic design tools with powerful features that enable designers to design schematic and printed circuit boards quickly and accurately. The article introduces the telephone automatic alarm designed by Protel in terms of functional structure, working principle and function extension.