[Elecraft] K3: Still unable to set power correctly in, DATA A(sigh)

G4LNA g4lna at yahoo.co.uk
Sun Jan 4 16:00:43 EST 2009





Peter Connors, F5VNB wrote:
> 
> 
> To assert that every K3 owner needs an oscilliscope or laboratory grade
> peak reading meter in order to ensure that they never exceed a given peak
> power because the K3 internal circuits are incapable of doing so is a very
> serious criticism indeed.
> 

I'm not asserting anything, what I said applies to any rig you care to
mention, I don't believe meters. No matter what magic wizardry circuits or
software is contained in the rig to deceive to meter into reading power, you
can't beat seeing the peak power reading on an oscilloscope.

I did have a look at the peak output of my rig and notice the meter doesn't
correspond to the peak power reading on the K3, it doesn't even come close,
that doesn't worry me in the slightest because I don't use the meter for
power setting on anything apart from CW. 

What I will assert is that every radio amateur should at least have an
oscilloscope as basic test equipment and learn how to use it, perhaps there
wouldn't be so many rubbish signals on the air, there again, if pigs
fly...........

I'm not pointing a finger at you Julian, I think you may agree there are a
lot of amateurs who do rely on meters without understanding what is really
happening in the real world, because now a days they are not taught basic
understanding of what is happening to a modulated RF signal.

An oscilloscope is one of the main bits of test gear an RF engineer can own,
after all, that's what we are, RF engineers and oscilloscopes are cheap to
buy.

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