[Elecraft] K3: use of 1.8 filter - clarification

Guy Olinger K2AV olinger at bellsouth.net
Sat Jan 14 22:02:17 EST 2012


Pardon the misstatement in the paragraph below, I accidentally switched
units.  It should read:

On Sat, Jan 14, 2012 at 3:22 PM, Guy Olinger K2AV <olinger at bellsouth.net>wrote:

> The presumption with no tight filters is that the selectivity of the DSP
> by itself is enough.  Personally, my experience is that the K3 DSP, by
> itself, as very excellent as it truly is, is NOWHERE near enough to deal
> with contests and situations where one is trying to listen to a 0.05 uV
> signal next to a 500 or 5000 ***[ uV ]*** signal that is JUST BARELY
> OUTSIDE the passband.  It takes the DSP, as excellent as it is, TOO MANY Hz
> to reach the ultimate 100 dB.  I need the FASTER DIVING COMBINED skirts of
> a matched roofer and DSP skirt to knock off the content just barely up and
> down.
>


More information about the Elecraft mailing list