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为了适应机载设备体积小的需要,我们试制了这种多路复用设备。本装置通过分时工作的数模转换器连接八路并联的采样保持电路简化了设备量。运用偏移二进制码送数,使单极性数模转换器获得了双极性输出。输出电压范围为-10V至+10V,精度为全量程的±0.1％。本装置已付样机试用。
In order to meet the needs of the small size of airborne equipment, we prototyped this multiplexer. The device through the time-sharing digital-analog converter to connect eight parallel sample and hold circuit simplifies the amount of equipment. The use of offset binary code sent to the unipolar digital-to-analog converter bipolar output. The output voltage range is -10V to + 10V and accuracy is ± 0.1% of full scale. This device has been prototype for trial