[Amps] Antenna tuner loss

[Roger (K8RI)]

On 5/3/2012 12:32 PM, Dan Hearn wrote:
> ARRL tested  some popular commercial antenna tuners and reported the
> results in QST as follows. They covered 160-10 and various loads. All were
> quite lossy on the low bands with low Z loads.

And there are people out there that didn't expect this?  They are 
running into low impedance loads which means high currents and high 
losses.  I believe the Palstar manual even mentions this.   Also the 
power handling capability drops off substantially with low Z loads

73

Roger (K8RI)
>
> February, 2003
> Product Reviews
> High Power Antenna Tuners:
> • AMERITRON ATR-30
> • MFJ-986
> • PALSTAR AT1500CV
> • TEN-TEC 238A
> • VECTRONICS HFT-1500
>