[hpsdr] MDS, IMD-DR, IP3

[Ahti Aintila]

On 30/10/06, Bob McGwier <n4hy at idaccr.org> wrote:
> ***** High Performance Software Defined Radio Discussion List *****
  The Janus improves the noise floor on my
> system over the Delta-44 by a few dB and it has much higher head room.
> The overall dynamic range improves!  The SDR-1000 is the limiting factor
> in this case.  This is a good thing.  One thing I am anxious to try once
> I get a bit further down the road,  I want to "knife" the INA's out of
> the SDR-1000,  which removes the switcher power supply influence on the
> signal path, and take the differential output from the QSD and tie
> directly to the Janus balanced inputs.  I believe this will be a great
> combination but I am going to wait a bit.
>
Bob,

Don't wait any more! Snip off the INA's and use the balanced inputs of
Janus or any other better sound cards and you will see a dramatic
improvement of the dynamic range.

Good luck and 73,
Ahti  OH2RZ

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