LTspice: Is it possible to have different plot panes with different x-axes?
Yep that is possible, but I'm not sure if your result will look like what you'll like:


In the plot view, right click and add a new plot plane.
Right click and uncheck "Sync. Horiz. Axes"
Now you can right click on each X-axis, at first it looks like it wouldn't work but after setting each axis, you will get two different ones.


The problem is, that it will not split the data nicely along the other axis.

What I mean is this:



I'm not sure if that what you really want is possible which would probably be this: