XPost: sci.electronics.basics, sci.electronics.repair, sci.electronics.design   
   From: gnuarm@gmail.com   
      
   On 2/21/2016 6:06 PM, John G wrote:   
   > Ralph Mowery expressed precisely :   
   >> "Steve"  wrote in message   
   >> news:87egc65xql.fsf@centurylink.net...   
   >>> Bob E.  writes:   
   >>>   
   >>> < I am trying to solder some RG-6 shield to a pcb. The braid won't   
   >>> tin. It's   
   >>> < almost like it's dissipating the heat faster than I can apply it.   
   >>> With both a   
   >>> < temp-controlled iron (set as high as 700F) and a mondo 100W stick I   
   >>> finally   
   >>> < tried. The solder will barely melt when touched to the braid   
   >>> opposite the   
   >>> < iron.   
   >>>   
   >>> That just sounds like another excuse to the use the butane torch :)   
   >>>   
   >>>   
   >> Most of the rg-6 uses aluminum instead of copper or tinned copper.   
   >> The normal methods of soldering will not work on it.   
   >   
   > I'll believe Aluminium or steel I must admit to only a little actual   
   > experience.   
   > Some Cable guy should give an actual answer.   
      
   The stuff I use has both copper center conductor and braid.  Most RG-6   
   uses a steel center conductor with a copper plating since the skin   
   effect limits current flow to the surface at high frequencies and the   
   steel provides more strength for pulling and aerial runs.   
      
   --   
      
   Rick   
      
   --- SoupGate-Win32 v1.05   
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