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RE: [linrad] SDR Hardware

Oleg...

All I can say is "what Roger said"!

Michael
WN5T

<my call>@arrl.net



-----Original Message-----
From: owner-linrad@xxxxxxxxxxxxxxxxxxxxxx
[mailto:owner-linrad@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of
w3sz@xxxxxxxxxxx
Sent: Saturday, December 13, 2003 9:59 AM
To: linrad@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: [linrad] SDR Hardware


HI, Oleg!

Wow,

Beautiful, impressive piece of work! 

Thanks for sharing it...

I saved your URL so I can check it out again.

73,

Roger Rehr 
W3SZ


----- 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 !
> Oleg
> UR3IQO
> 


73,
Roger Rehr
W3SZ
FN20ah
http://www.qsl.net/w3sz
LINRADDARNIL
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