Re: [softrock40] Anyone made a stand alone SoftRock RX Ensemble II
- Hi,there is trhe JUMA project from Finland, DDS, analog filters, but reasonably good results, so Google...............73, Gerry
Von: Gordon JC Pearce <gordon@...>
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?