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文章介绍了利用精密衰减器压缩D/A转换器输出动态范围 ,等效提高D/A转换器的分辨率的方法。再结合闭环温度补偿 ,设计出程控高精度电压发生器。以非常低的代价取代了昂贵的高精密电压源
The paper introduces the method of using the attenuator to compress the output dynamic range of D / A converter and improve the resolution of D / A converter. Combined with the closed-loop temperature compensation, the program designed to control high-precision voltage generator. Replacing costly high-precision voltage sources at very low cost