[sdiy] PCB Transformers
neil.johnson71 at gmail.com
Fri Jan 20 12:22:02 CET 2023
Richie Burnett wrote:
> Occasionally transformers are made like this in switch-mode power supplies
> but it often needs lots of PCB layers and a ferrite core looping through the
> PCB to achieve enough inductance in the hundreds of kHz.
Also look up pancake inductors.
As others have said, these kinds of inductors and transformers are not
used at audio frequencies, but work well at RF. Even on silicon at
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