数字电压源的设计
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密 惠 保
摘要
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电源技术尤其是数字电源技术是一门实践性很强的工程技术，服务于各行各业。当今电源技术融合了电气、电子、系统集成、控制理论、材料等诸多学科领域。随着计算机和通讯技术发展而来的现代信息技术革命，给电力电子技术提供了广阔的发展前景，同时也给电源提出了更高的要求。随着数字电源在电子装置中的普遍使用，普通电源在工作时产生的误差，会影响整个系统的精确度。电源在使用时会造成很多不良后果，世界各国纷纷对电源产品提出了不同要求并制定了一系列的产品精度标准。只有满足产品标准，才能够进入市场。随着经济全球化的发展，满足国际标准的产品才能获得进出的通行证。数字电源是从80年代才真正的发展起来的，期间系统的电力电子理论开始建立。单片机技术及电压转换模块的出现为精确数字电源的发展提供了有利的条件。到90年代，己出现了数字精度达到0.05V的数字电源。从组成上，数字电源可分成器件、主电路与控制等三部分。目前所使用的直流可调电源中,几乎都为旋纽开关调节电压,调节精度不高,而且经常跳变,使用麻烦。利用数字电源,可以达到每步0.1V的精度,输出电压范围0~12V。
关键词：数字电源技术，工程，电子，变化，精度。
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[来源：http://think58.com]
[资料来源：THINK58.com]
The design of digital voltage source
[资料来源：http://THINK58.com]
Abstract
Power technology, especially digital power technology is a strong practical engineering, to serve all walks of life. Power of technology convergence in today's electrical, electronics, systems integration, control theory, materials, and many other fields. With the computer and communication technologies developed from the modern information technology revolution, the power of electronic technology to provide a broad development prospects, but also to a higher power requirements. With the number of power electronic devices in general use, the power of ordinary working hours in the error will affect the accuracy of the entire system. Power in use will cause a lot of negative consequences, countries around the world for power products and the different requirements put forward a series of products to develop standards for accuracy. Only to meet the product standards to be able to enter the market. With the development of economic globalization, the products meet international standards in order to obtain access to the permit. Digital Power is from the 80's really developed during the system to start building power electronics theory. Single-chip technology and the emergence of voltage conversion module for the development of accurate digital power provided favorable conditions. To 90 years, there has been a digital accuracy of the digital power 0.05V. From the composition, the digital power supply can be divided into components, such as main circuit and control of three parts. DC current adjustable power supply, almost xuanniu switch for regulating voltage regulation accuracy is not high, often hopping, the use of trouble. The use of digital power, 0.1V to achieve the accuracy of each step, the output voltage range of 0 ~ 12V.
Key words: digital power technology, engineering, electronics, range.
[资料来源：http://www.THINK58.com]