I have a large d/sided pcb with microcontroller and 433M Rx/TX module attached. I want a PCB track antenna of 16cm length along one edge.Track width is 60 thou ( 1.5 mm) . Do I/must I have a ground plane underneath it? I know about keeping other stuff 5mm away. I have a VCC plane on the topside. Does this have to be kept 5mm away from the aerial track as well? Thanks.
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