Soon GaN will hold possibilities. 

Myron WVØH
Printed on Recycled Data

> On Dec 14, 2014, at 8:41 AM, Kevin Stover <kevin.sto...@mediacombb.net> wrote:
> 
> W6PQL has designed and built a 1KW SSPA for 1.8-54MHz using an LDMOS device. 
> Freescale I think.
> he has also designed a pretty stout Low Pass filter designed for 1.5KW 1.8-54 
> MHz.
> He can get 1.2KW out of it at saturation with 2-3 W drive.
> A pair of these devices @ 750W could do 1500W all day any mode. but then the 
> power supply becomes the limiting factor.. 50V at 70amps?
> 
> http://www.w6pql.com/1_kw_sspa_for_1_8-54_mhz.htm
> 
> -- 
> R. Kevin Stover
> AC0H
> ARRL
> FISTS #11993
> SKCC #215
> NAQCC #3441
> 
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