A.放大器→A/D 轉(zhuǎn)換器→采樣保持器→D/A 轉(zhuǎn)換器→計(jì)算機(jī)B.多路開(kāi)關(guān)→放大器→采樣保持器→D/A 轉(zhuǎn)換器→計(jì)算機(jī)C.多路開(kāi)關(guān)→放大器→采樣保持器→A/D 轉(zhuǎn)換器→計(jì)算機(jī)D.放大器→多路開(kāi)關(guān)→采樣保持器→A/D 轉(zhuǎn)換器→D/A 轉(zhuǎn)換器
A.ICL7135(四位半)B.MC14433(三位半)C.ADC0809(8位)D.ADC1140(16位)