NS-40 Class E Transmitter on a Postcard
joseph at kirtland.com
Fri Jan 9 15:25:05 CST 2009
I saw that in QST. I like the printed inductors on the PC board.
I have been contemplating over the years building a 1kw class-e AM
transmitter. It's pretty nice to be able to get that sort of power out
of a few dollars of mosfets.
A. Maitland Bottoms wrote:
> Let me pass along this news to Tacos...
> There is a kit available based upon a design by David Cripe, NM0S.
> (Dave is scheduled to be a speaker at the 2009 FDIM at the Dayton
> Hamfest, presenting a program on Class-E power amplifiers.)
> "The NS-40 Transmitter is an upgraded version of the overall winner in
> the FDIM 2008 Homebrew Contest. It is a truly unique QRP transmitter
> design. NS stands for No Simpler, so this is the No Simpler 40 Meter
> "The PC board is the size of a post card - and actually has a blank
> QSL card form printed on the back. You could put a stamp on the bare
> board and mail it!"
> "The kit comes with all components, 7030 kHz crystal, pc board,
> mounting hardware, and heat sink. All components are through hole
> mounted. This is a very easy kit to build and populating the board
> will take an experienced builder only about 20 minutes."
> "The cost of the kit is $30, DX orders please add $3.00, which
> includes first class postage, shipping, and handling. All profit will
> go toward funding OzarkCon 2009."
> -- http://www.wa0dx.org/wa0itp/ns40.html
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> Tacos at amrad.org
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