Re: Still lacking

Posted by wayne burdick on
URL: http://elecraft.85.s1.nabble.com/Still-lacking-tp6419804p6433116.html

Sorry, guys, the KX3's internal ATU isn't going to be accessible for  
patching through an external amp. It will safely handle 12 W (max KX3  
power on most bands), but 20 W is pushing it.

I routinely work the world with 10 W SSB and marginal antennas, hence  
the KX3's 10-W nominal power-output target :)

Back to the salt mine....

73,
Wayne
N6KR


On Jun 2, 2011, at 3:09 PM, Leigh L. Klotz Jr WA5ZNU wrote:

>
> Edward KL7UW wrote:
>>
>> As an alternative, might you consider a small amplifier?  TAPR is
>> offering a 20w HF/6m amplifier called the "Pennywhistle".
>> http://www.tapr.org/kits_pw.html
>> drives with 1/4w and runs on 12vdc.
>>
> An external amp in a clamp-on case that fits on the bottom might be  
> a good
> compromise.
> However, the Pennywhistle isn't enough. You also need their Transmit
> Bandpass filters (http://www.tapr.org/kits_alex.html) or perhaps  
> K5OOR's
> http://site.hfprojectsyahoo.com/low_pass_filters
> So a box with the amp, the filters, and the battery starts to get a  
> little
> bulky, not to mention an ATU.
>
> You can avoid the ATU if you can figure out how to tap into the KX3  
> ATU
> input.  I suspect if there's enough clamor it could be made to work  
> at 3dB
> more input than it's used to.
>
> Leigh/WA5ZNU
>
> --
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