Since Jim opened the door, I should mention that one of the projects
underway for the High Performance SDR group (http://www.openhpsdr.org)
is "Cyclops" which works with the existing HPSDR Mercury receiver board
to provide a DC - 1 GHz spectrum analyzer and tracking generator. Not
sure when it will become available; alpha boards are currently being
built and tested. I am guessing that the system will be <$1500.
More details at http://openhpsdr.org/wiki/index.php?title=CYCLOPS.
John
----
Lux, Jim (337C) said the following on 10/31/2009 08:37 AM:
Since you're thinking about building something, how about somewhere in
between a piece of lab gear and total homebrew. The PC controlled receivers
like the Icom PCR1000 work pretty well as a spectrum analyzer and tune DC to
1 GHz-ish. So a good LO and a mixer in front of this might be a way to go.
Yeah, you won't get the whole 3 GHz in one span. For smaller resolution BW
than the narrowest filter in the PCR1000, you can run the audio output with
the receiver in SSB mode into a spectrogram program.
Instead of the PCR1000, you could use one of the SDR widgets out now (like a
softrock), but that's going to be a LOT more homebrew.
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