The Radio Frequency Interference (RFI) Tutorial Center contains educational material about RFI – its Sources, Paths, and Victims and associated suppression techniques for general use and specific device/systems solutions (RFI kits).
RFI Application Notes
Curing Consumer Electronics RFI: RFI Tip Sheet #3
RFI and You #1 – Source, Receptor, Path and Cure
RFI and You #2 – Answering machine interference and cure
Third Party RFI Links