[Elecraft] Could the be the basis for the KPA-1500?
Jack Chomley
vk4jrc at gmail.com
Sat Jul 23 23:43:31 EDT 2011
We do NOT need any more big amplifiers, they are the reason the sunspot
cycles have been worn out :-)
73, Jack VK4JRC
On Sun, Jul 24, 2011 at 1:28 PM, Gary K9GS <garyk9gs at wi.rr.com> wrote:
> There has been an ongoing discussion on the AMPS reflector regarding the
> Freescale LDMOS devices currently on the market. A pair of these in an
> HF amp with a 48V SMPS would be an excellent start.....(hint,
> hint...KPA-1500). I wish I was retired and had some time on my hands :)
>
> Check this out:
>
> http://www.w6pql.com/1_kw_2m_ldmos_amplifier.htm
>
> Also see:
>
> Some YouTube videos...
> http://www.youtube.com/watch?v=02v58cnb41o&feature=relmfu
> http://www.youtube.com/watch?v=-EACUpIhpac
>
> F1JRD also has an article in Dubus
> http://www.qsl.net/f1jrd/MRFE6VP61K25H.html
> http://www.w6pql.com/1_kw_2m_ldmos_amplifier.htm
>
>
> --
>
>
> 73,
>
> Gary K9GS
>
> Check out K9NS on the web: http://www.k9ns.com
> Greater Milwaukee DX Association: http://www.gmdxa.org
> Society of Midwest Contesters: http://www.w9smc.com
>
>
>
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