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Re: Loopback Testing - Not!

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  • w4jpa
    My problem was straight B2B didn t work! However I found that a a 0.047uF cap in the KPC-3 Audio out line worked nicelly. Now its on to tidying things up with
    Message 1 of 6 , May 7, 2013
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      My problem was straight B2B didn't work! However I found that a a 0.047uF cap in the KPC-3 Audio out line worked nicelly. Now its on to tidying things up with the connect scripts etc.
      BobJ
      W4JPA

      --- In BPQ32@yahoogroups.com, "John Wiseman" <john.wiseman@...> wrote:
      >
      > I've connected two TNC-PI's together with an audo crossover, and that worked
      > fine. I've also connected UZ7HO soundmodem to the PI. I guess it depends on
      > the sensitivity of the other TNC.
      >
      > 73, John G8BPQ
      >
      > _____
      >
      > From: BPQ32@yahoogroups.com [mailto:BPQ32@yahoogroups.com] On Behalf Of
      > w4jpa
      > Sent: 07 May 2013 10:53
      > To: BPQ32@yahoogroups.com
      > Subject: [BPQ32] Loopback Testing - Not!
      >
      >
      >
      >
      >
      > Bill, I was forgetting that the TNC-Pi is getting a ton of (Ax25) control
      > stuff down the RS232 pipe so that wouldn't work. To get a clean signal
      > crossover I looked at connecting the TNCs back to back - this should work
      > but for the signal levels which are very low. I'll pick up a couple of
      > Lm386'S one the way home from work today and try that. If it 'aint one thing
      > it's another!
      > 73
      > --- In BPQ32@yahoogroups.com <mailto:BPQ32%40yahoogroups.com> , "N9ACQ"
      > <n9acq@> wrote:
      > >
      > > That should work.
      > >
      > > 73 Bill
      > >
      > > N9ACQ
      > >
      >
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