[Antennas] Transmitting Loop Antenna

[Chris Trask]

    I just completed the detailed description of my transmitting loop
antenna, and it can be obtained from the same URL as before:

    http://www.home.earthlink.net/~christrask/Paper012.html

Chris

     ,----------------------.       High Performance Mixers and
    /    What's all this     \    Amplifiers for RF Communications
   / extinct stuff, anyhow?  /
   \  _______,--------------'           Chris Trask / N7ZWY
  _ |/                                  Principal Engineer
 oo\                                  Sonoran Radio Research
(__)\       _                             P.O. Box 25240
  \  \    .'  `.                     Tempe, Arizona 85285-5240
   \  \  /      \
    \  '"        \                 IEEE Senior Member #40274515
     .       (  ) \
      '-| )__| :.  \              Email: christrask at earthlink.net
        | |  | | \  '.       http://www.home.earthlink.net/~christrask
       c__; c__;  '-..'>.__

                       Graphics by Loek Frederiks


----- Original Message -----
From: "Chris Trask" <christrask at earthlink.net>
To: <antennas at mailman.qth.net>
Sent: Friday, September 19, 2008 4:21 PM
Subject: [Antennas] Transmitting Loop Antenna


>     I finally completed the testing and construction of a new form of
> transmitting loop antenna.  This version does not require the usual
> high-voltage variable capacitor nor the gamma-match or Mini-Loop matching
> element.  The prototype tunes the entire 40M band and is suitable for
power
> levels up to 100W.  Return loss is 20dB or better over the band.  Power
for
> the motor that adjusts the variable capacitor is sent up the coaxial cable
> feedline.  The preliminary details are available at:
>
>     http://www.home.earthlink.net/~christrask/Paper012.html
>
>     I will have the usual full details available before long.
>
> Chris
>
>      ,----------------------.       High Performance Mixers and
>     /    What's all this     \    Amplifiers for RF Communications
>    / extinct stuff, anyhow?  /
>    \  _______,--------------'           Chris Trask / N7ZWY
>   _ |/                                  Principal Engineer
>  oo\                                  Sonoran Radio Research
> (__)\       _                             P.O. Box 25240
>   \  \    .'  `.                     Tempe, Arizona 85285-5240
>    \  \  /      \
>     \  '"        \                 IEEE Senior Member #40274515
>      .       (  ) \
>       '-| )__| :.  \              Email: christrask at earthlink.net
>         | |  | | \  '.       http://www.home.earthlink.net/~christrask
>        c__; c__;  '-..'>.__
>
>                        Graphics by Loek Frederiks
>
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