[sdiy] filters, inductors & Q

[René Schmitz]

Hi Ingo, Jürgen and all,


I do indeed mean toroids. <homer> Mmmh.., dough-nuts! </homer>
But of course such a pot core is an option as well. With the proper 
mounting hardware its a little easier to get on a PCB as well.

Cheers,
  René

jhaible at debitel.net wrote:
>>could it be that you both are referring to different things?
>>I mean, a true toroid inductor (like a toroid mains transformer, 
>>Deutsch: Ringkern) is indeed difficult to wind by hand.
>>Except mains transformers, I think I've never seen inductors of this 
>>type with many winding turns.
>>
>>There's also that other type (Deutsch: Schalenkern, I forget how these 
>>are called in English), where the space where the winding(s) are is 
>>sort of toroidal, and surrounded by the core material. These are pretty 
>>easy to wind, since the the windings are on cylindrical plastic 
>>carriers. After the winding job is done, the carrier and the two halves 
>>of the core are assembled.
> 
> 
> 
> Pot cores are fine. But I've seen tiny toroidal cores, so I fear
> Rene was actually talking about these.
> 
> BTW, LEO brought up "pot core" - I just mention this because my other
> online translator didnt. ( http://dict.leo.org/ )
> 
> JH.
> 
> 
> 
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> debitel.net Webmail
> 

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