计算机科学家哈里·波特(Harry Porter)博士用继电器制作了一台八位机。继电器是一种电子开关，是比Magic - 1用的晶体管更加简单的元器件。
Computer scientist Dr Harry Porter built his 8-bit machine from relays - electronic switches that are even simpler than the transistors used in Magic-1.
机床电器、数控系统、数显装置、伺服驱动装置、计算机应用技术、气动、液压元器件。
Machine Tool electrical apparatuses, Digital Display Device, Control System, Servo Drive, Computer application technology, Hydraulic Components, Pneumatic Parts.
本文介绍了MAX4624模拟开关的基本特性，给出了利用模拟开关降低继电器功耗的设计电路，并说明了其工作原理及元器件的选择方法。
This paper introduces the characteristic of analogue switch MAX4624. gives the designing circuit of cutting down relay's power loss, it 's work principle and the methods of selecting components.
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