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Re: 3rd order IMD performance of the RxTx Ensemble

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  • George
    Ok. Sounds good. I have the Rx Ensemble receiver (as a bandscope on my ProIII right now) and didn t think of using that. I ll try some experiments. George
    Message 1 of 6 , Jan 1, 2013
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      Ok. Sounds good. I have the Rx Ensemble receiver (as a bandscope on my ProIII right now) and didn't think of using that.

      I'll try some experiments.

      George


      --- In softrock40@yahoogroups.com, "warrenallgyer" <allgyer@...> wrote:
      >
      >
      > Hi again George
      >
      > In Post #70260 I described how I measure IMD3 using an SDR receiver and HDSDR software. The same methodology should work on the Icom band scope so long as you can resolve1-2 dB in level and 10 Hz in frequency.
      >
      > No need for a homebrew two-tone test gen. As described in the post, Rocky 3.7 has one built in that works great.
      >
      > Have fun and let us know how you make out.
      >
      > Warren Allgyer - W8TOD
      > --- In softrock40@yahoogroups.com, "George" <george.labelle@> wrote:
      > >
      > > Ok, thanks for the info. I was indeed serious, I have not been reading this group, so didn't know what the scoop was.
      > >
      > > Looks like it is not a serious problem and can be solved.
      > >
      > > I don't have any equipment to measure this, unless I could homebrew a 2 tone generator, run the rig into a dummy load and watch the signal on my Icom ProIII. Would this work? How accurate is the ProIII band scope, amplitude wise? Guess I could characterize that too.
      > >
      > > George
      > > WB6YZZ
      > >
      > >
      >
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