CAJ | 학술논문

针对现有的逐次比较型 AD 转换器的时钟控制信号是由硬件产生的弊端，提出了基于单片机产生控制信号由分立元件搭建的逐次比较型 A/ D 转换电路的设计方案，保证了转换过程的同步性和电路的低成本。结果表明，该转换电路转换速度可达8000次/秒，具有12位分辨率，适合于中等或高等的分辨率场合。
침대현유적축차비교형 AD 전환기적시종공제신호시유경건산생적폐단，제출료기우단편궤산생공제신호유분립원건탑건적축차비교형 A/ D 전환전로적설계방안，보증료전환과정적동보성화전로적저성본。결과표명，해전환전로전환속도가체8000차/초，구유12위분변솔，괄합우중등혹고등적분변솔장합。
The existing Successive Approximation Type AD Converter has a disadvantage that its clock control signal is gener-ated by the hardware. Therefore, the design scheme in which the Successive Approximation Type A/ D Conversion Circuit was built by the discrete components and its control signal was generated on the basis of microcontroller was proposed. The new design en-sured synchronization of the conversion process and low cost of the circuit. The results showed that the conversion rate of the conver-sion circuit is up to 8000 times per second, with 12 bit resolution, suitable for medium or higher resolution.