[SI-LIST] 180 degree turns in high speed lines

Hello,
Has anyone had experience with high speed traces that travel in one direction 
on an inner layer of a pcb,
and then transition to the top layer termination thru a via and then change 
direction 180 degrees?

The distance traveled on the top layer is short - just a short connection 
between a termination resistor and the ic pins, but it's the turn that concerns 
me.

After all the debate through the years on 90 degree turns, I'm interested in 
your opinions.

Thanks,
Jim


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