The paper introduces a adjust voltage integration regulator LM317 in common use, this kind of utility circuit emphasize the sides of high voltage outputcircuit.
本文介绍目前常用的电压可调集成稳压器LM 317实用电路,着重在高压输出电路方面。
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DSP's outputcircuit, keyboard and display circuit, high precision measure circuit and credibility protect circuit are analyzed, and the software design is given.
The control system is composed of AT89C52, a high-powered 8-bit microcontroller, data gathering circuit, real time circuit, data outputcircuit and system watch circuit.