[Elecraft] Any way to automatically bypass K3 ATU when using KPA500?

Keith keith at elecraft.com
Thu Jun 14 16:28:55 EDT 2012


Yes, I was wondering how he was tuning with the amp on too...
Of course we just need to sell him a KAT500!
Keith WE6R

On 6/14/2012 11:10 AM, iain macdonnell - N6ML wrote:
> I think you're missing the point, Keith ... or maybe I am. If you tune
> the KAT3 to match the amp, then it will not match the antenna when the
> amp is out of line. Of course this somewhat begs the question; how is
> the antenna being matched when the amp is active? Maybe it's close to
> 2:1, which is still acceptable, but the original poster wants to use
> the KAT3 to get a better match when operating barefoot...
>
> 73,
>
>      ~iain / N6ML
>
>
>
> On Thu, Jun 14, 2012 at 10:42 AM, Keith<keith at elecraft.com>  wrote:
>> If you have the optional Aux cable, set the K3 power set to "Per Band",
>> then you can have different power levels depending on the OPerat or
>> Stndby mode of the KPA500. You will just have to go thru once and set
>> the levels to get 500 out (and whatever you want for Stndby).
>> The KAT3 is never really bypassed, it is just put into default settings
>> that are matched for a dummy load.
>> I would tune the ATU into the amp and leave it on.
>> Keith WE6R
>>
>> On 6/14/2012 10:00 AM, iain macdonnell - N6ML wrote:
>>> On Thu, Jun 14, 2012 at 7:51 AM, Don Putnick<don_na6z at yahoo.com>    wrote:
>>>> Just out of curiosity, any particular reason you want to bypass the K3 ATU?
>>> Presumably because any stored match settings would be impertinent when
>>> feeding the amp, vs. feeding the antenna(e) directly.
>>>
>>> The real question is; why would you ever want to operate without the
>>> amp?? *grin*
>>>
>>>       ~iain / N6ML
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