[Elecraft] K2 automatic tuner

[email protected] pe1bsb at zendamateur.nl
Wed Jul 20 14:02:12 EDT 2016


When i just connect a 50 ohm dummy tot he K2 it says 20   1.0 - 1

So I think it is right calibrated :-)

Regards William

-----Oorspronkelijk bericht-----
Van: Don Wilhelm [mailto:donwilh at embarqmail.com] 
Verzonden: woensdag 20 juli 2016 19:50
Aan: William at zendamateur.nl <pe1bsb at zendamateur.nl>;
Elecraft at mailman.qth.net
Onderwerp: Re: [Elecraft] K2 automatic tuner

William,

Thanks for that clarification.  Connect the KPA100 to a good dummy load and
do the wattmeter alignment and calibration as indicated in the
KPA100 manual page 48 - see the SWR Bridge Null Adjustment and also the
Power Calibration sections.
You must do the bridge null before attempting the Power Calibration.

73,
Don W3FPR

On 7/20/2016 1:41 PM, William at zendamateur.nl wrote:
> Thanks Don fort he answer,
>
> The display is ok
>
> I just did not put every thing there
>
> It says :  20    2.0  - 1
>
> So I enderstand that as a swr of 2.0 ???
>
>
>
> -----Oorspronkelijk bericht-----
> Van: Don Wilhelm [mailto:donwilh at embarqmail.com]
> Verzonden: woensdag 20 juli 2016 19:27
> Aan: William at zendamateur.nl <pe1bsb at zendamateur.nl>; 
> Elecraft at mailman.qth.net
> Onderwerp: Re: [Elecraft] K2 automatic tuner
>
> William,
>
> Are you reading the K2 display correctly when you do a TUNE?
> Normally the K2 displays the power on the left and the SWR on the right.
> The power is normally 20 watts and the SWR will be shown as 2 digits
> (1.0 through 9.9).
> In other words, you will see something like "20  1.0".
>
> If the KPA100 wattmeter is not indicating properly, it may be that 
> diodes
> D16 and D17 have become damaged, or it may just be that the wattmeter 
> needs to be balanced and calibrated.
>
> 73,
> Don W3FPR
>
> On 7/20/2016 12:33 PM, William at zendamateur.nl wrote:
>> Hi group,
>>
>> Perhaps it's a silly question, but i don't understand something.
>>
>>    I have a K2 100 watt but I don't think any other set will make a
> deferens.
>> the set is connected to a tuner (AT-100Pro LDG) and it tunes as far 
>> as I can see ok.
>>
>> But now what I notice, when I tune the tuner tunes to swr 1.1 so that
> seems
>> to be ok, but my K2 gives me 2.0    1.
>>
>> Does that mean my K2 sees a swr from2.0 whil my tuner says  it is 1.0 ??
>>
>
>
>





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