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| RFI from new monitor |
This evening I was on the radio and had the Elecraft P3 up and running as always. I just happend to be looking at the P3 external monitor when my PC's monitors went into sleep mode. I noticed that some signals (now seen as RFI) dropped off the screen. I had noticed these signals before and knew it was RFI but had
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| Both monitors off |
no idea it was coming from the monitors! My new AOC e2351F LED monitor seems to be the major culprit but the Acer Z233h does add just a little on it's own. If I turn the monitors off (via the monitor button) the RFI is gone or if the monitor goes into sleep mode. You can see from the picture to the right where the RFI was from the tails. So the question now is how does one go about narrowing this down? I have power supplies to each monitor...but would they be the problem if the RFI is gone when the monitors are turned off but supplies are still plugged in? Can you ground a flat screen monitor to my station ground? Could the RFI be traveling down the monitor cables? Well this is just another project to keep me busy. I am lucky that the RFI is not the same on all bands these shots are from 18mhz and it seems to be the worst of them all. Any ideas blog world??
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