最近在与同事讨论一个问题，就是数字地是怎样影响模拟地的。我认为是高频数字信号的地平面回流与模拟信号在地平面上的回流耦合（也就是串扰），从而使得模拟信号受到影响。至于ADI提到的高频数字系统中，不需要区分数字地和模拟地，我觉得是由于，高频信号的地平面回流主要集中在信号线下方，辐射的半径很小，从而不会影响到模拟电路去。我同事则认为，数字电路与模拟电路的影响不在于串扰，而在于数字电路的高频电流影响了地平面和电源组成的这么一个系统。哪位高手能否详细介绍一下，谢谢。
2018-11-22 09:33
speed sensor function: one Input Capture pin of the selected timer must be grounded, according
2019-03-12 16:46
to Know , can i detect a piece of metal (which is floating type, that means it is not grounded) can
2018-12-14 16:29
开启了PSRAM，设置malloc（） as well增加静态TX buffer num到64个，因为我要传图片。然后在wifi初始化的时候还是报了空间错误，为什么呢？I (1880
2023-02-20 06:02
of the load is grounded through the circuit, but as differential ports are used the voltage
2019-02-12 14:24
3000 does not show zero volts when the input is grounded. On the DC scale it typically shows -273 mV
2018-11-12 16:32
tools will recognize that the part is grounded and the pour will connect it to the ground. This might
2018-09-10 17:01
Staying in bootloader. Firmware successfully flashed. Unplug/replug or reset device to switch back
2023-04-24 07:04
and MGTREFCLK0N_101 are grounded. Ideally, the reference clocks to the GTP are given through
2019-07-23 13:11
="#command#";uchar *sub;uchar *well="command";int a = 0;int i = 0;strncpy(sub,buf+1
2019-04-04 22:41
