[Elecraft] KAT500 Remote Version

[ab2tc]

Hi,

That's not true. The L network's only solution is the lowest Q possible,
meaning it will have the lowest tuner loss possible and the widest
bandwidth. And if the capacitor and inductor steps are made small enough, a
1.0:1 solution is always possible. The fact that many tuners give up once
the SWR is below 2.0 or 1.5 is merely a shortcoming in their tuning
algorithms. I am having high hopes for the KAT500. Is anything known on how
many bits of L and C resolution is there?

AB2TC - Knut


Wes Stewart wrote
> What Don says is true as far as it goes.  The L-network tuner has only one
> solution, but it isn't necessarily a good one.
> 
> Way back in 1998 when correspondence was via typewriter and snail mail, I
> went around with Dean Straw, N6BV, then Editor of the ARRL Antenna Book,
> about tuner losses.  This was in conjunction with the editing of my paper,
> "Balanced Transmission Lines in Current Amateur Practice" that appeared in
> the Sixth Edition of the ARRL Antenna Compendium.
> 
> Remarkably (coincidence I'm sure ;) it wasn't long before favored authors
> were contributing articles to QST about how to measure tuner losses and
> TLW was written.
> 
> Tuner and line losses really do matter.
> 
> Wes  N7WS
> 
> 
> <snip>





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