>
> With regard to SM5BSZ's SDR wideband-noise performance table
> (http://www.sm5bsz.com/dynrange/dubus313.pdf):
Something doesn't jive with the table in the above report.
I spot checked by looking up the Flex5000A in July 2008 QST, fig 3.
QST shows wideband noise never gets worse than -120dbc, although the report
says it is -77 at 350 KHz.
And (as I remember) the K3 report from QST showed phase noise way out at the
extremes of the meausrement dropping off much more than this author reported,
down into the range of -155 db.
Am I reading something wrong? Apparently this report is not recent because the
worst performer of late (from QST measurements) has been the FT3000. Too bad
SM5BSZ didn't comment on it.
Rick K2XT
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