八路循环FG棋牌电路设计.doc

        

        

        

        

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        八倍的在周围FG棋牌布线设计.doc

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八倍的在周围FG棋牌布线设计
文摘:光的闪烁和放映期可用于各式各样的修饰,像,电子门板、广告修饰等。光流永远导致人道的留意。。在夜间,在城市的街道上,当宣传上的灯亮起来,这座城市很快就会相当繁华起来。。我所设计的FG棋牌把持线路是规律很简略的一种运用学会所学到的数电知制成。倘若你想默认必然的集成线路的规律。达到结尾的的FG棋牌可以放在内心,主人会喝暖和起来;在餐厅和其他地方可以做加法A。
本文本电子线路CAD常用软件Protel99SE设计了东西简略的在周围FG棋牌线路,分道扬镳FG棋牌由领导模仿代表。运用555跑表,记录,移位器,行进把持在周围用枪打猎,再运用74LF161A记录和74LS194摆布金氧半导体移位寄存器结合驱动器线路来以次把持FG棋牌在周围闪烁。在周围FG棋牌线路由驱动器线路、输入线路、计时器线路和电源为总计的体系预约所需的精力。 CMOS 线路对电源张力的请求允许对立宽松。在周围FG棋牌线路是由TTL集成线路做成,运用5伏电源。计时器线路采取555多谐自振荡集成线路。,带抵抗和电容的计时器革命发生器,为线路预约计时器用枪打猎,支集总计的在周围。驱动器线路由74LF161A记录和74LS194金氧半导体移位寄存器结合。,驱动器领导标准的任务,在计时器线路的把持下,共有权八个领导。
关键词: 八倍的FG棋牌;555跑表;记录;金氧半导体移位寄存器
The Design Of Eight Lines Circulating Lights
Abstract: Lights flashing and the flow can be used for a variety of decoration, such as electronic door standard, advertising and 修饰。 The flow of light is always special to attract people”s 留意。 At night, the streets in the city, when the flow of light on the billboards up, the city will soon get to 继续存在。 I designed the lights control 线路it is a very simple principle learned to use the University made several electrical 知。 As long as several integrated 线路its can easily understand its 道义。 Do the lights can be placed indoors, the owner will feel warm; on restaurants and other places to increase the 气。
Based on the electronic monly used CAD software Protel99SE designed a simple 线路it lights cycle, and the brightest lights from the light-emitting diode simulations 相反。 Using 555 timers, counters, shifters, resulting in the control loop signal, and then use 74LF161A around the counter and 74LS194 shift registers control drive 线路it to turn lights 骑自行车兜风。 Cycle lights 线路it by the drive 线路it, output 线路it, clock 线路it and power supply for the entire system to provide the necessary 精力。 CMOS 线路its the power supply voltage requirements are relatively 轻松地的。 Cycle lights 线路it is made by TTL integrated 线路its, and the 5伏 power 供给。 Clock 线路it is more than 555 integrated 线路
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