Re: [amsat-bb] 1.2 Ghz amplifier question

[n8anr@xxxxxxxx]

Hi Karl................


I just ordered the circuit board you are looking for.  I am in the
process of building that exact 1.2Ghz amp.  Go To
http://www.g3wdg.free-online.co.uk/betatest.htm .  I just recieved my
board and a small kit of parts ( no modules)  The board is a work of
art........... all the matching lines are etched on it.  The website
explains everything.  I am just waiting for my 10w 50 ohm termination to
come from Downeast Microwave and then I can get started.  Good luck and
keep me posted of your progress.  I would be interested in compareing
notes.  I plan to mount mine on the roof tower with just enought coax to
feed a 15 turn helix.  I have never met this person but I have exchanged
emails with him.  I purchased thru paypal ............it was easy.  I
will dis-assemble my Downeast single module unit to get the second
needed.  I have never fired it up yet so it is new.

.....................................73............Hank, N8ANR

On Wed, 26 Feb 2003 19:18:29 -0600 "Karl Sandstrom" <k5man@cox.net>
writes:
> Hey Folks,
> 
> Has anyone seen a kit, schematics or PC board layout for a 40w 1.2 
> Ghz
> amplifier using two of the Mitsubishi power modules?
> 
> I have come across this info for a 20w, single module amplifiers but 
> not for
> the 40w.  I suspect that building a two module amp must present some
> problems for the homebrewer that makes buying a prebuilt amp more
> attractive.  I'm sure some of L band gurus will have some info on 
> this
> subject.
> 
> Karl R. Sandstrom, K5MAN
> AMSAT Area Coordinator
> Greenwell Springs, Louisiana
> k5man@arrl.net / k5man@amsat.org
> 
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