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29406Re: V9 output to audio card?

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  • Ken
    Jan 1, 2009
      OK, I see that would isolate and prevent any DC ground loops, but can
      the ground loop not be in the AC region? OR maybe it's only the DC
      ground loops that give a problem?

      Thanks to all for the education.

      73 de Ken H> K9FV

      --- In softrock40@yahoogroups.com, "Alan" <g4zfq@...> wrote:
      >
      >
      > ----- Original Message -----
      > From: "Ken" >
      > >> One ground connection is needed between the Softrock and the
      > >>soundcard computer). That means leaving all other grounds
      between the
      > >>computer and Softrock disconnected.
      > >
      > > Alan, does that mean leaving the ground on the USB cable
      disconnected?
      > >
      >
      > That is the way I do it, I use a 10nF capacitor from the USB ground
      to the
      > Softrock ground.
      > I'm not saying it's the best way but it works for me.
      >
      > 73 Alan G4ZFQ
      >
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