Fw: K3: incrementing Power level

[hf4me]

----- Original Message -----
From: "Jim Miller KG0KP" <[hidden email]>
To: "Ken Kopp" <[hidden email]>
Sent: Friday, June 11, 2010 7:53 PM
Subject: Fw: [Elecraft] K3: incrementing Power level

>
> ----- Original Message -----
> From: "Wayne Burdick" <[hidden email]>
> To: "Ian White GM3SEK" <[hidden email]>
> Cc: <[hidden email]>
> Sent: Monday, December 07, 2009 4:38 PM
> Subject: Re: [Elecraft] K3: incrementing Power level
>
>
>> This is on my firmware list.
>>
>> Wayne
>>
>> ----
>> http://www.elecraft.com
>>
>> On Dec 7, 2009, at 1:25 PM, Ian White GM3SEK <[hidden email]>  
>> 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.
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