[Elecraft] K3s 100w Amplifier

[Joe Subich, W4TV]

On 2015-05-19 5:02 PM, Wayne Burdick wrote:
> Actually it's four additional pins (was 6, now 10). This applies to
> P67B.

Are the pin assignments on P67B changed or is the connecter enlarged?
In other words, can an existing KPA3 and KPAIO3 be installed in a K3S
without damage to either the K3S/10 or the KPAIO3?

What are the new output devices?

73,

    ... Joe, W4TV


On 2015-05-19 5:02 PM, Wayne Burdick wrote:
> Actually it's four additional pins (was 6, now 10). This applies to P67B. There's a corresponding change to the KPAIO3A board.
>
> Since we changed to gold pins for all of these connectors, we haven't had any further issues with +12 VDC to the amplifier module. These extra pins are just for insurance.
>
> 73,
> Wayne
> N6KR
>
>
>
> On May 19, 2015, at 12:49 PM, John Reilly <reillyjf at comcast.net> wrote:
>
>> I heard a rumor at Dayton that the K3s had two additional pins to handle the current from the RF board, through the riser card, to the 100w amplifier.
>>
>> Can anyone confirm this?
>>   - 73, John, N0TA
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