[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
RE: [linrad] SDR Hardware
All I can say is "what Roger said"!
[mailto:owner-linrad@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of
Sent: Saturday, December 13, 2003 9:59 AM
Subject: Re: [linrad] SDR Hardware
Beautiful, impressive piece of work!
Thanks for sharing it...
I saved your URL so I can check it out again.
----- Original Message Follows -----
> Hi, Gian and All !
> > It would be interesting to see if there could be a
> > worstening or improvement adding a first classic
> > analog conversion to the SDR1000, with IF around 9MHz,
> > using the H-Mode Mixer (G3SBI or I7SWX config IP3 =<
> > +40dBm). In this case a 9MHz xtal filter,3kHz or less
> > bw) would be the roofing filter,
> The two channnel conversion will be superfluous. The single channel
> will do all the job fine (like in 756PRO, Orion and others).
> My DSP transceiver uses such technique and it works fine.
> You can see more info at (http://users.ints.net/skidan/T03DSP/),
> I will update it soon with the schematics and other info.
> All the best !