K3S RF/SQL Adjustment

[MaverickNH]

I'll admit I just don't know how best to adjust my K3S RK/SQL knob. I have
AGC-S on, filters wide open at 2.8, and have set:

AGC DCY nor
AGC HLD 0.00
AGC PLS nor
AGC SLP 012
AGC THR 008
AGC-F 120
AGC-S 020

On 14MHz CW Mode, where I see/hear CW no signal on my P3, with RF/SQL
rotated full ClockWise, S-Meter is solid 3 flashing 4-5. Rotating AF
clockwise, from full Counter-ClockWise off, it's pretty noisy at about 9
o'clock.

I'd appreciate some advice and learning! How I got this far without figuring
this out [shaking head]...

BRET/N4SRN



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[NJMike]

Brett, I am new to the K3S.  I set mine according to the Fred Cady book.
Mine are slightly different from yours.   But I don't have a good
understanding of how the settings affect the performance.  Sometimes I think
the rig is very noisy, even when connected to a dummy load.  

I am interested in the advice you get !

Mike NJ2OM



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[KENT TRIMBLE]

Mike . . .

All rigs are "noisy" if you run the RF gain full bore.

Experiment with backing off the RF gain and increasing the AF gain (if
needed) until a good signal-to-noise ratio is attained by your ears. 
This applies to both CW and SSB.

It will also be helpful if you put the AGC in "fast" mode.

Finally, ignore the S-meter.  It will only confuse you and is needed
only when comparing two or more incoming signals.  It has nothing to do
with optimizing reception.

73,

Kent  K9ZTV



On 2/17/2021 12:57 PM, NJMike wrote:

> Brett, I am new to the K3S.  I set mine according to the Fred Cady book.
> Mine are slightly different from yours.   But I don't have a good
> understanding of how the settings affect the performance.  Sometimes I think
> the rig is very noisy, even when connected to a dummy load.
>
> I am interested in the advice you get !
>
> Mike NJ2OM
>
>
>
>

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[Don Wilhelm]

Mike and Brett,

Go to my webpage www.w3fpr.com and scroll the left column to the "Noisy
K3" article for assistance in adjusting the AGC Threshold and slope.

73,
Don W3FPR

On 2/17/2021 1:57 PM, NJMike wrote:
> Brett, I am new to the K3S.  I set mine according to the Fred Cady book.
> Mine are slightly different from yours.   But I don't have a good
> understanding of how the settings affect the performance.  Sometimes I think
> the rig is very noisy, even when connected to a dummy load.
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[Tim Tucker]

Adjusting the AGC threshold and slope on my K3 to my liking made all the
difference for me.  I did the same on the KX3 and KX2, as well.

Tim

On Wed, Feb 17, 2021 at 11:21 AM Don Wilhelm <[hidden email]> wrote:

> Mike and Brett,
>
> Go to my webpage www.w3fpr.com and scroll the left column to the "Noisy
> K3" article for assistance in adjusting the AGC Threshold and slope.
>
> 73,
> Don W3FPR
>
> On 2/17/2021 1:57 PM, NJMike wrote:
> > Brett, I am new to the K3S.  I set mine according to the Fred Cady book.
> > Mine are slightly different from yours.   But I don't have a good
> > understanding of how the settings affect the performance.  Sometimes I
> think
> > the rig is very noisy, even when connected to a dummy load.
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>

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