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Old February 18th 18, 10:46 PM posted to rec.radio.amateur.antenna
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Default Not in keeping?

Any plans for a manual ATU always call for wide-spaced tuning
capacitors, but it seems to me that the capacitors used in
auto ATUs are all solid dielectric, so I wonder how
much power is lost in auto ATUs?





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Old February 21st 18, 03:51 PM posted to rec.radio.amateur.antenna
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Default Not in keeping?

On Sun, 18 Feb 2018 22:46:09 +0000, Gareth's Downstairs Computer
wrote:

Any plans for a manual ATU always call for wide-spaced tuning
capacitors, but it seems to me that the capacitors used in
auto ATUs are all solid dielectric, so I wonder how
much power is lost in auto ATUs?


If you're using a T-Network design, plug in your values and let this
simulation do the work.
http://fermi.la.asu.edu/w9cf/tuner/tuner.html
Java required.

--
Jeff Liebermann
150 Felker St #D
http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558


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