The desirable properties are low noise and that impulse reservoir we mentioned, and it’s probably fair to say that while both types of power supply can satisfy them. With the extra expense of a ...

Bourns’ Model SRF0703HA dual-winding shielded power inductors deliver space savings in noise filtering applications.

Amateur radio operators and shortwave listeners have a common enemy: QRM, which is ham-speak for radio frequency interference caused by man-made sources ... power returned, and with it the noise.