单片机在DL-8型电离计中的应用

Application of MCU in DL-8 vacuum ionization gauge

介绍用单片机实现 DL - 8型电离真空计的智能化设计 ,在设计中 ,用单片机完成了多路电参数切换和控制 ;用振荡反馈电路控制可控硅实现发射电流稳定 ;用高输入阻抗运放实现微弱信号的精确测量。

It is introduced here to design intelligently DL8 vacuum ionization gauge using MCU. In the design, the change and the controll of multiple electrical parameters are fulfilled with MCU, the emittance current stable is put into effect using oscillation feedback circuit, and the accurate measurement for weak signal is realized using high input impedance operational amplifer.