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Re: [softrock40] Anyone made a stand alone SoftRock RX Ensemble II

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  • Gerry Huss
    Hi, there is trhe JUMA project from Finland, DDS, analog filters, but reasonably good results, so Google............... 73, Gerry
    Message 1 of 12 , Jul 27, 2013
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      Hi,
      there is trhe JUMA project from Finland, DDS, analog filters, but reasonably good results, so Google...............
      73, Gerry


      Von: Gordon JC Pearce <gordon@...>
      An: softrock40@yahoogroups.com
      Gesendet: 20:37 Samstag, 27.Juli 2013
      Betreff: Re: [softrock40] Anyone made a stand alone SoftRock RX Ensemble II

       
      On Sat, Jul 27, 2013 at 06:28:45PM -0000, Alan wrote:
      >
      > ----- Original Message -----
      > Subject: [softrock40] Anyone made a stand alone SoftRock RX Ensemble II
      >
      >
      > >I was wondering if anyone has made a stand alone version of the SoftRock RX Ensemble II. I know controlling the si570 is not to
      > >difficult. The audio is the only unknown for me. I only wish to use the radio stand alone for AM Shortwave Broadcasts.
      >
      > Well, for purely AM use it would work with the LO zero beat.
      > But it would, I think, be DSB suppressed carrier. And it would need an audio LPF. Maybe the opamp could be configured that way??
      > I rather think there must be better, and simpler methods for a basic AM RX.
      >
      > 73 Alan G4ZFQ

      Yes, that would be a direct-conversion receiver...

      How about a regenerative receiver?

      --
      Gordonjcp MM0YEQ



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