Hi Reed,
Yes, this amp looks quite reasonable, especially for use at the 50W
level. The concern would be with others that lack proper filtering at
the output. OTOH, I'd like the IM to be better if it were in the kW
class. :)
73, Jim K9YC
73, On Sat,3/19/2016 1:52 PM, Reed wrote:
<Don't have a spectrum analyzer? That's no excuse -- if there are
harmonics or spurs, YOU are in violation.>
http://gm4slv-geek.blogspot.co.uk/2015/03/mx-p50m-amplifier-for-ft817.html
Looks pretty clean to me!
There are several 100 watt transceivers that are/were sold that
should, in my opinion, be taken off the market. None was made in the
U.S.! Manufactures have done a very good job on improving receivers,
but not much has been done to improve the noise from transmitters.
Throw that into a 1500 watt amp & you are adjusting knobs on the
receiver to filter out the noise. Manufacture a clean transmitter and
we wouldn't need some of the filters on our receivers.
73,
Reed W4JZ
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