For questions about the filtering of undesirable electromagnetic interference (EMI). Consider using in conjunction with related tags, as applicable (e.g. use with "switch-mode-power-supply" for questions about the filtering of EMI produced by a switch-mode power supply).

For questions about the filtering of undesirable electromagnetic interference (EMI). Consider using in conjunction with related tags, as applicable (e.g. use with for questions about the filtering of EMI produced by a switch-mode power supply).

See Wikipedia's article on EMI for more information.