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January 29th 07, 02:13 PM
posted to rec.radio.amateur.antenna
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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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