[Elecraft] KXPA100 AMP and KXAT100 ATU pics and info

EricJ eric_csuf at hotmail.com
Thu Apr 25 17:25:30 EDT 2013


Just curious why the FCC has a 15 dB limit on power gain on all 
amplifiers. Is it related to the CB issue or is that sufficiently 
addressed in the 0dB gain for 26-28 mhz?

I've been QRP for the last 20 years (except mobile), and anticipating a 
KXP100 for mobile use.

Eric
KE6US


On 4/25/2013 1:35 PM, Jim Brown wrote:
> On 4/25/2013 12:59 PM, Bill Frantz wrote:
>> I asked specifically at Visalia. There is currently no special 
>> support for the K3/10, but it will work as a generic QRP transceiver.
>
> I think you mean that it will work WITH any generic QRP rig. :)
>
> From what I see in Eric's email, it's the same concept as the KPA500 
> -- although it's specifically integrated with the K3, it works with 
> any rig that can give it a keying signal and the right RF drive level. 
> It does not need band data, it DETECTS what you're sending it and 
> switches to the right band. All you need is the KEY line to put it in 
> TX mode (that's an FCC requirement) and give it 4W drive to get 100W 
> out.  That's 14dB power gain, which, I believe, is also the FCC limit.
>
> 73, Jim K9YC
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