[hpsdr] A new entry in the direct-sampling SDR field

[Tony Langdon]

At 03:06 AM 6/21/2007, Nico Palermo wrote:

>I agree, Ray.
>31 dBm is a quasi-stellar IP3. But consider that it is the figure when no
>attenuator is inserted and the receiver's sensivity is -131 dBm.
>If a 20 dB attenuator is inserted the IIP3 becomes 50 dBm and the
>sensivity -111 dBm. If I am interpreting well what I've read about the
>specs of the Mercury board the difference between the two receivers is
>within two or three dBs.
>Let me know if I'm wrong.

I would agree.  The sensitivity vs IP3 figures do look quite similar 
to Mercury's performance figures.

73 de VK3JED
http://vkradio.com


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