air
------layer 1: digital signal traces(50 ohm microstrip)/power
distribution
FR-4
------layer 2: digital ground plane
FR-4
------layer 3: digital signal traces(50 ohm stripline)/power
distribution
FR-4
------layer 4: analog signal traces/power distribution
FR-4
------layer 5: analog ground plane
FR-4
------layer 6: analog signal traces/power distribution
air
If there is a trace on layer 1 which mirrors a trace
on layer 3, do I need to be concerned with crosstalk induced
by a signal on the layer 1 trace onto the layer 3 trace, even
though there's a conducting plane (layer 2) between the two
traces?
Thanks in advance for any explanations.
-Alex Theodorou