For X server, it'd mean to create a new section, possibly dumped from a working configuration and slightly modded. Software solution - downclock pixel rate a bit and shorten timing of blanking interval to keep the same framerate. So a sandwich made of a thick paper (about 0.5mm) with an aluminium foil on top of it sticked to the PCB, touching on edges to RPI's grounding might help better than a software solution. On one side, it may be WiFi cage, on the other shields of HDMI connectors and on the third side perhaps the lid of a BCM chip itself. The best shielding effect is archieved if the edges are connected to earth shielding. My favourite chocolate might help -).īe aware that aluminium is conductive, don't destroy your Pi by shorting it. In that case, it should be easier to fix it - just stick a paper with an aluminium foil on the top of these links. If some geeks measured emanating emissions, it seems more likely to be the former. Two ways are possible for EMI to reach antenna - by air (outside of a PCB) or via power planes and power circuitry. Look at the microstrip lines of HDMI LVDS outputs.
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