Looks very good to me, including the fatter supply traces which many people forget about.
My only criticism is it has no mounting holes or clear edges that could be used for slot mounting but maybe that is intentional.
Brian.
What about the traces that cross the splits in the Vcc plane? Unless they are slow signals you will see an impedance discontinuity in the traces that cross over the split. If they are high speed you'll end up with signal integrity issues. Most of the boards I've dealt with usually if they run out of planes for Vcc use signal layers to distribute the extra power rails to keep from having signals crossing a split reference plane.
Could you explain a little more in detail? I'm not sure what you mean by 'a few junction points with 4 connections'.On page 2 you have a few junction points with 4 connections into them, this is bad practice - no more than 3 should be used. Otherwise the dot can fall off and you just have a cross over
Unless I misunderstand, this is because the >> on the net is OrCADs way of saying that the signal connects to somewhere else on another page. While if it doesn't have the >> it connects somewhere on the same page.U2 pin 2 net has a double >> on it yet the output has nothing? (this applies to lots of other signals too)
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