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5319Re: [softrock40] Softrock V7

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  • Tony Parks
    Jul 5, 2006
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      Hi John,
       
      The v7.0 is intended as a 10m IF for converters and with the 28.06 MHz crystal supplied with the kit the coverage is +/- 48 kHz each side of 28.06 MHz when used with a soundcard that can sample at 96 kHz.  The quadrature clocks result from using a phase shift network prior to a voltage comparator to get the clock that is shifted by 90 degrees.
       
      The v7.0 can be used as a receiver and I have built several for 20m.  Seems to make quite a reasonable 20m receiver.  v7.0 kit price is $19 for DX which does include the postage costs.
       
      Bill, KD5TFD, has tested the v7.0 at 10m and has the following info at his website:
       
      Got a SoftRock V7 beta built and checked out today  - looks pretty
      good.  MDS of -112 dbm with a Delta 44 and -109 dbm with an Extigy.  Pics
      and PowerSDR spec shots @
      http://ewjt.com/kd5tfd/sdr1k-notebook/sr40/sr7/index.html
       
      Thanks and 73,
      Tony KB9YIG

      ----- Original Message -----
      Sent: Wednesday, July 05, 2006 6:24 PM
      Subject: [softrock40] Softrock V7

      Hi,

      Just wondering what the diference between the V6 and V7 is, (what
      frequency does the V7 cover and what xtal multiplier does it use?), I
      have built a V6, and am thinking of ordering a V7 as well.

      Cheers

      John de VK4JWT

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