); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Pete wrote: > Switchmode regulators really are risky for use in a low > noise environment. Even if you can reduce input and > output conducted noise to acceptable levels, the > opportunity for magnetic coupling from the inductor > to adjacent wiring is bad news. This can be very > tough to find and eliminate, particularly if the > controller frequency varies with load. Toroidal > inductors are superior, but lead dress/routing can > still result in unwanted coupling. > > Pete > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > Using a series resonant topology for the switching power supply can be helpful in reducing EMI. However even then one has to be careful to use the correct form of resonant converter to achieve low noise. Whilst such regulators can easily be designed they are not commonly available off the shelf. The design and construction of such a regulator isnt a task for a beginner.
Bruce _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
