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| To: | rsgb_lf_group@blacksheep.org |
|---|---|
| Subject: | ULF: transformer components |
| From: | DK7FC <selberdenken@posteo.de> |
| Date: | Wed, 30 Aug 2017 17:45:04 +0200 |
| In-reply-to: | <59A6B3D5.7000408@posteo.de> |
| References: | <15e1991abae-c08-d02c@webjas-vac137.srv.aolmail.net> <59A066BA.7060608@posteo.de> <99e04e4a-b978-829d-dabe-1bd1551f9a19@abelian.org> <22e7826e-60f1-9170-397e-494ad2cab3bd@abelian.org> <b4152156-86d7-ae14-d27e-2f9b606ed55b@abelian.org> <59A6A25C.9090305@posteo.de> <385C9CB0F9B441D997EE83C8DBCC2986@gnat> <59A6B3D5.7000408@posteo.de> |
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Hi ULF,I've ordered some components to build a mains transformer (actually just a coil) for further 970 Hz experiments. It has an EI core, to allow adding an air gap to align the inductivity! http://www.iup.uni-heidelberg.de/schaefer_vlf/EI%20transformer%20components.jpgIt is very nice, the quality is very good and it is not so expensive. Worth to play with. The idea is to build a few identical coils for 970 Hz (magnetically isolated to each other) which allow to run more voltage and antenna current down on 970 Hz... 73, Stefan |
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