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Planar Speaker Asylum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: Re: the picture posted by monk1 on April 29, 2002 at 08:27:21:
If you look at the factors of coil capacitance you see that it necessitates a potential difference between twoconductor areas, with a dielectric in between.
Adjacent windings, with their prop. low ESR an L between, therefore contribute proportionally less than farther away windings. Conventional coils lay winding beside winding and then start a new 'layer'. So potential difference between these layers is considerably higher than in a foil coil. Actually the very 'organized' winding helps to shield the dielectric from farther windings.
Therefore i suspect that foil coils have rather *less* problems with coil capacitance than conventional coils.If there would be any problem, there would be a sharp impedance peak at a relatively low frequency. I've never seen such in any measurement.
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Follow Ups
- coil capacitance - Arbelos 13:48:49 04/29/02 (1)
- Re: coil capacitance - monk1 10:42:46 05/01/02 (0)
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