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Re: [softrock40] Re: 6.3 TXRX

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  • Alan
    ... From: Subject: Re: [softrock40] Re: 6.3 TXRX ... image. In Winrad and Rocky you can do it in software. You are right though when you
    Message 1 of 9 , Jan 1, 2010
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      ----- Original Message -----
      From: <aa9wqham@...>
      Subject: Re: [softrock40] Re: 6.3 TXRX


      >If the tip and ring are reversed in PSDR you can not tune out the unwanted
      image. In Winrad and Rocky you can do it in software. You are right though
      when you say it reverses tuning i.e. LSB/USB are reversed and tuning up
      tunes down and so forth


      All that happens when reversing the connections is that the tuning is
      reversed. This happens on all the software. PDSR is the one that has no way
      of compensating.
      Reversing the connections only affects the small amount of image
      compensation provided by software. If the image rejection is not touched
      then the hardware (Softrock) will provide around 30dB rejection whichever
      way the audio is connected.

      73 Alan G4ZFQ
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