[sdiy] Transformer question

[Glen]

At 08:25 AM 7/22/04 , Bert Schiettecatte wrote:

>Mmm.. I am wondering now whether I could implement my transformer by
>creating 2 PCBs with spiral inductors and bringing the PCBs close to
>each other. I wonder how efficient that would be and up to what distance
>that would work..

If you're planning on simply etching some spiral lines on the PCBs, and
calling them inductors, you won't get very far with this idea. You really
need some sort of iron or ferrite cores, with a lots of wire wrapped around
them.

later,
Glen