Microstrip formula for non-standard geometry

August 26th 08, 06:02 PM posted to sci.electronics.design,rec.radio.amateur.antenna

Wimpie[_2_] Wimpie[_2_] is offline

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Microstrip formula for non-standard geometry

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
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