[Elecraft] K3 receiver noise questionable test results

[Barry N1EU]

That result indicates you have too much RF/IF Gain.  You need to apply the
remedies previously discussed.

73,
Barry N1EU



N1JM wrote:
> 
> It seems as I move the value of AGC SLP down the noise gets louder. Does
> that sound right?
> 
> John N1JM
> 
> P.B. Christensen wrote:
>> 
>>> Back down the value of AGC THR in the menu, turn down RF Gain, turn up 
>>> your
>>> AF Gain and turn off your preamp on 160-20M.
>> 
>> Adding to that...AGC SLP has a profound effect on the AGC compression
>> ratio. 
>> Higher settings make all signals sound relatively the same.  A few posts 
>> back, I recall seeing comments about how signals on a Yaesu transceiver 
>> seemed to "pop out."  For that to noticeably happen on the K3, AGC SLP
>> will 
>> need to be set for lower menu values.  From the K3 manual:
>> 
>> AGC SLP - (Advanced.) Higher values result in 'flatter' AGC (making
>> signals 
>> at all amplitudes closer in AF output level)."  My AGC SLP setting is on
>> the 
>> lower end of the range as I actually prefer audio dynamic range rather
>> than 
>> homogenizing everything on the band.
>> 
>> Aggressive AGC SLP and AGC THR add to a perceived increase in background 
>> noise and signals that do not "pop out."
>> 
>> Paul, W9AC
>>  
>> 
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> 
> 

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