[sdiy] filters, inductors & Q

[JH.]

> I just wanted to add, that you shouldn't overlook the possibility of 
> winding your own coils. There are ferrite materials  (torroid cores) 
> that allow coils in the mH range with moderate wire gauges i.e. thick 
> enough to handle, and winding numbers , i.e. not requireing 1000s of 
> windings. Torroids also have the advantage of being more insensitive to 
> external fields.

Hi Rene,

but isn't it a pain to wind torroidals?
I mean, even compared to winding ordinary inductors ...

JH.