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Old May 21st 09, 03:28 PM posted to rec.radio.amateur.antenna
ve2pid ve2pid is offline
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First recorded activity by RadioBanter: Mar 2007
Posts: 25
Default ATU: Correct way to specify impedance range

Hi to all,

Just got my new ATU. The specs mentionned:

Tunes 6 to 600 ohms (about 10:1 SWR range). 16 to 150 on 6M (about
3:1)

It sems that this is the standardized (?) way to mention
specifications...

But, since impedances have both a resistive and reactive compoment,
doses it means 6 to 600 Ohms "resistive"?

For example , if Z= 500-J800 ohm, is it 'tunable'? I have a doubt
because the impedance could also mean sqrt(500^2+800^2)=943,4 Ohms..

Thanks de Pierre