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Old August 26th 08, 08:18 PM posted to sci.electronics.design,rec.radio.amateur.antenna
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Default Microstrip formula for non-standard geometry

Wimpie wrote:
Hello,

Most formulas for microstrip transmission line assume that there is
dielectric all over the ground plane.

Does somebody know a formula (or graphical solution) for the
characteristic impedance of a microstrip where there is only
dielectric material under the strip (so you can see the ground
plane)?

Best regards,

Wim
PA3DJS
www.tetech.nl
The mail address is valid when you remove abc


This is a bit off topic in direct relation to your post; however, I
built this antenna as an external to my wifi router/switch to increase
coverage of the net:

http://www.centurion.com/home/pdf/wp_omni_wireless.pdf

Fig. 1-5 and the plot of the radiation pattern (fig. 1-7) I found
particularly interesting ...

Regards,
JS
 
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