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| Subject: | Re: LF: Re: Ferrite wideband antennas? |
| From: | pws <[email protected]> |
| Date: | Thu, 01 Sep 2011 16:17:14 +0200 |
| In-reply-to: | <[email protected]> |
| References: | <16BC8B3CA8672445BC2A29B4C14A26D4379ED2AAB4@exlnmb01.eur.nsroot.net> <[email protected]> <[email protected]> <9CD1E11E8BC9402CB4AECECAC4088443@JimPC> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> |
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Hi Daniele, You wrote: ... is a specific type of wire recommended (or not recommended) for the coil? ... Very accurate measurements had shown that Litz-Wire is better especially down at low frequencies <1 MHz. Especially MRI-builders reported positive effects. Myself I never could find a considerable difference to solid or multi strand wire. Amongst the crystal radio guys this discussion is not only a running gag, it's a running war... Furthermore some mm of distance between the windings and the core should have a positive effect on "Q". I never checked this but I always have some layers of tape in between. Peter, df3lp |
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