Might be a simple question, but I can't find the answer. Say I've drawn up a schematic for a 90˚ coupler. I've simulated the schematic, got the results I wanted, and then generated the layout. However, I ran the Momentum planar simulator, and the simulation results aren't that great.
So now what? In schematic you can just tune parameters until you get what you want out of the simulator, but I can't find anything like that in layout. Can someone point me in the right direction?