[hpsdr] Janus/SDR1K performance measurements?

Grant Hodgson grant at ghengineering.co.uk
Tue Oct 23 06:38:53 PDT 2007


Has anybody got any detailed lab. measurements of (for example) an 
SDR-1000 with Janus?  I believe that there are some lab measurements of 
the SDR1K w/Delta-44; I wonder if something similar has been done for HPSDR.

A question arose at Microwave Update about the Blocking Dynamic Range of 
the uWSDR project, which uses the same ADC as on Janus albeit with a 
different RF front-end.  I'm not a great fan of this parameter; I think 
spurious-free dynamic range is more meaningful but as it was mentioned I 
thought I would ask the question here - I think it would be limited by 
the ADC, rather than the RF, and I haven't simulated BDR for the uWSDR.

regards

Grant G8UBN



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