An illustration can be the above mentioned schematic with the frequent-mode choke and pair of capacitors linked to an op-amp. The transfer operate on the amplifier can then be modified by including reactive components for the comments loop, Whilst Be careful for the stability of this type of active EMI https://jeffreyiqsuu.widblog.com/86229125/the-fact-about-emi-and-emc-filter-that-no-one-is-suggesting