介绍了采用AT 89 C5 2单片机设计的集成芯片测试仪的工作原理及硬软件设计。
It introduces the operation principle and hardware and software design of a IC chip test instrument based on AT89C52 chip microcomputer.
我们使用了真有效值转换集成芯片AD536研制成功PTCR残余电流测试仪，本文叙述了该仪器的原理。
We used a monlithic Integrated circuit AD536 which performs ture rms-to-dc conversion. This paper describes the principle of the PTCR remainder current instrument with AD536.
研究了基于集成心跳探测芯片的心跳测试仪，介绍了其组成部分，即反射式红外传感器，单片机和LED显示器。
Studies heart rate testers based on integration heartbeat detection chip and introduces other components of the testers such as reflective infrared sensor, single-chip and LED display.
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