Is placing 4 little switching power supplies (3.3V, 5V, +9/-9V) on 1 board to share the same ground a bad idea?
And how should I place the inductors?
https://encrypted-tbn0.gstatic.com/...45ycTPLoV8IdpL_VXSG2ltu49LHghbEsUHyKvkAYZiRFT
this is the inductor shape
And how should I place the inductors?
https://encrypted-tbn0.gstatic.com/...45ycTPLoV8IdpL_VXSG2ltu49LHghbEsUHyKvkAYZiRFT
this is the inductor shape