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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Posted to alt.engineering.electrical,sci.electronics.repair,sci.electronics.design,uk.radio.amateur
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Posted to alt.engineering.electrical,sci.electronics.repair,sci.electronics.design,uk.radio.amateur
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On Fri, 17 Apr 2009 18:59:48 GMT, (GregS)
wrote: In article , (GregS) wrote: In article , (Dave Platt) wrote: In article , Pilgrim wrote: Tin has a much lower conductivity than copper, and as RF travels on the surface of a conductor, it would attenuate RF and high frequency AC Is that why most, but not all, teflon insulated wire was silver plated? My understanding is that the Teflon-insulated wire uses silverplating for a couple of reasons, related to the high melting point of Teflon (and thus the high temperatures to which the wire is exposed when the Teflon is melt-extruded onto the conductors). I checked looked at a spool of about #20 stranded wire. It does look very shiny like silver. I thought it was odd looking at it. its made up of a tightly twisted center section and a loosly woven outer section around the inner section. The TFE is almost a fluorescent blue. Neat stuff. 19/32 strands. This got to be audio grade ! It is likely SPC and is Mil grade. There is no such thing as "audio grade". You have been talking to too many consumer electronics salespersons. |
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