[time-nuts] Noise and non-linear behaviour of ferrite transformers
kb8tq at n1k.org
Sat Jul 19 19:16:28 EDT 2014
The general rule of thumb is that they add no noise or distortion. The typical reason for not using them all the time is cost / size / weight.
A lot depends on what frequency (or frequency band) you are talking about and what sort of transformers. Obviously you can indeed mis-use a part or overload it.
On Jul 19, 2014, at 6:09 PM, Attila Kinali <attila at kinali.ch> wrote:
> I'm currently looking at some way of breaking the ground loop between
> several systems. The obvious idea would be to use transformers. I would
> like to have some kind of rule of thumb to guess how much noise such
> a transformer would add. But unfortunately i cannot find any theory
> or measurements of this. Does anyone have some pointers to documents
> on what kind of noise i could expect (type, and strength) and
> what/how strong the non-linear behaviour of transformers would be?
> Thanks in advance
> Attila Kinali
> PS: although this started as something with a real application in mind,
> i'm now interested in this as an endavour of its own. So all and any data,
> theory or rule of thumb would be appreciated
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