--- In [email protected], Robert McGwier <[EMAIL PROTECTED]> wrote:
>
> Jean Claude:
> 
> The QSD in the article needs a preamp to operate well on 6 meters.  The 
> minimum discernible signal of the SDR-1000, unmodified on the 6 meter 
> band is -125 dBm.  This is 15-20 dB too high.  You will need a
preamp to 
> make it perfect.  Also, the SDR-1000 puts out 1 watt on 6 meters.
>
 
Thanks for the answer, I had the feeling that I would need a preamp
but had no numbers.

> That said,  with care, and some rework of the circuit with new parts, 
> better layout,  I believe the QSD will do -135 dBm on 6 meters and then 
> need only 10 dB gain to work well on six meters.
> 

What would you suggest as new parts?

Thanks, Jean-Claude PJ2BVU







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