Subject:
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LEGO train wire inductors and DCC
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Newsgroups:
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lugnet.trains
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Date:
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Wed, 26 Jan 2005 21:15:46 GMT
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Viewed:
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1293 times
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Anyone know the value of the inductors molded into the LEGO track connector
wires? Considering the recommendations against (parallel wired) capacitors on
the inputs to DCC decoders, then (seried wired) inductors would create a similar
problem degrading the DCC signalling performance.
-Ted
SCLTC
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Message has 2 Replies:
 | | Re: LEGO train wire inductors and DCC
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| (...) Are these inductors or chokes? In other RF interference suppression applications I had understood that there was no connection, just that the wire was routed through. There would still be some coupling (and back EMF?) though... Sorry I don't (...) (20 years ago, 26-Jan-05, to lugnet.trains, FTX)
| | | Re: LEGO train wire inductors and DCC
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| (...) Hi ! The devices you are referring to are RFI suppressors. They are simply little blocks of ferrite surrounding the wire to add a miniscule (a few hundred nanohenries at most) amount of inductance to the wire so high frequency doesn't get (...) (20 years ago, 27-Jan-05, to lugnet.trains, FTX)
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