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0809_5
- ad转换的C语言程序,硬件部分由AT89C51,MAX232,ADC0809,NF555组成,555用来产生ADC0809的CLK, 现在好像是300多K,输入电压直接加在ADC0809的IN0,因为我只用一路所以ADC0809的 A、B、C三个进址我直接接地。ADC0809的ALE和StartART我连在一起由单片机的P3.4控制。-ad conversion C-language program, the hardware part by AT89C51, MAX232, ADC08
pcb_GND
- 中兴公司设计规范与指南 pcb接地设计-ZTE' s design specifications and design guidelines pcb ground
power-systems-grounding
- 这是关于电力系统接地保护介绍的英文原始文档.可以帮助学习英文和电力系统知识.-This document is an orginal English paper about the power system protection and grounding.
power-systems-substation-grounding
- 这是关于电力系统变电站接地保护介绍的英文原始文档.可以帮助学习英文和电力系统知识.-This is a paper about power system substation grounding document.
XDL
- 小电流接地选选线装置源程序。在配网系统中针对单相接地故障而开发的一种选线装置。应用非常广泛。-Small current grounding line selection device source. In the distribution network system for single-phase ground fault line selection and development of a device. Is widely used.