January 29th 07, 02:13 PM
posted to rec.radio.amateur.antenna
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First recorded activity by RadioBanter: Oct 2006
Posts: 5
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Thevenin and s-parameters...
"camelot" wrote in message
ups.com...
Thank you for your comments,
I'm doing some calculations and simulations in order to verify if I
can bypass representation problem of s-parameters in other ways rather
than the Thevenin one.
There is one thing I'd like to submit to your attention, the known
formula
S11=(Zin-Z0)/(Zin+Z0),
where Z0 is the port impedance and Zin the load, does not works if you
consider Z0 not pure real (usually 50 ohm) but composed by a real and
an imaginary part i.e. Z0 = a+jb.
Are there other known formulas for S11 for Z0 real+imaginary?
Camelot
http://www.rfcafe.com/references/electrical/s-h-y-z.htm
Also:
http://www.daycounter.com/Calculator...lculator.phtml
Regards,
Frank (VE6CB)
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