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关于28335 ADC采样波动问题



大家好!

我目前想用28335的ADC采集电流,DSP之前的电路如图1所示。问题在于,在JTAG仿真模式下,DSP工作之后,电路输出会产生波动如图2以及图3所示(DSP不工作没有波动),从而导致较大的误差。请问下各位有没有遇到过这样的问题,或者知道如何解决呢?谢谢!(示波器识别不了U盘,请将就看下)

图1

图2

图3