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Short for Radio Frequency, i.e. frequencies at which radiation (intentional or not) plays a role. Typically associated with wireless communications, but also relevant for high-speed PCB design.
2
votes
What entities operate at 78.0 MHz FM in the US?
It's not unusual for inexpensive receivers (and sometime good ones) to show phantom signals, often generated internally. Try disconnecting the antenna to see if it is really coming from the outside.
I …
0
votes
How can it be possible that I hear people's voices from my computer speaker?
Some solutions are a suppressor on the cable (RF choke), shielding or bypass capacitors. It's a complex topic and there is lots of information available on the 'net. …