[Elecraft] [K3] Why K3 appears noisy?

[Bill W4ZV]

Dunc Carter - W5DC wrote:
> 
> I haven't read all the details but I have the impression that you need 
> to be able to set 1 and 50 microvolts which requires rather considerable 
> attenuation for some common signal generators such as my Elenco SG 
> 9500.  Is my impression correct?
> 

For the RF Calibration Utility you only need a 50 uV source.  For S-Meter
Calibration you need 1 uV in addition to 50 uV.  The factory defaults for
both are for "average" units.  To achieve custom calibration for variations
in individual units, you need to do individual calibrations.  The RF
Calibration (in the K3 Utility) is totally automatic once you apply a 50 uV
source.  S-Meter calibration (in the operating manual) is a little more
involved but still quite easy to do.

73,  Bill

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