[Elecraft] K3: incrementing Power level

[Wayne Burdick]

This is on my firmware list.

Wayne

----
http://www.elecraft.com

On Dec 7, 2009, at 1:25 PM, Ian White GM3SEK <gm3sek at ifwtech.co.uk>  
wrote:

> Joe Subich, W4TV wrote:
>>
>> Ian,
>>
>>> If this area of code is to be revisited, the gap in available power
>>> settings on 50MHz also needs to be addressed.
>>>
>>> The maximum available power without the KPA3 is 8W on 50MHz, but the
>>> minimum available power with the KPA3 activates is about 13W
>>> - a jump of more than 60%.
>>
>> The "gap" is not a matter of code, it is a matter of the power
>> available from the LPA on six meters.  The LPA can not make more
>> than about 8 watts and stay "clean."  However, the gain (ca. 12 dB)
>> of the HPA is such that 13W is a minimum practical output.  This
>> leaves the gap.
>>
>
> Only the lower end of the gap, 8W, is a hardware limitation. The upper
> end of the gap, 13W, is set by DSP.