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美国National Instruments公司的SCXI-1200多功能数据采集和控制模块,能直接连接到一台标准的PC并行打印机端口。这种12比特ADC有8个模拟输入、两个有电压输出的12比
US National Instruments SCXI-1200 multi-function data acquisition and control module, can be directly connected to a standard PC parallel printer port. This 12-bit ADC has eight analog inputs and two have a 12-to-voltage output