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exact inductance and quality factor calculation

Question asked by lafethus on Feb 2, 2003
Latest reply on Feb 10, 2003 by ALEPEREZ
Hi,

Using a simulation method introduced in an article(http://eesof.tm.agilent.com/pdf/tality.pdf), I tried to simulate an integrated inductor.

But, quality factor(Q) seems to have much higher value while inductance has lower value than expected from the following formulae.:o

Y11=1/50*((1+S22)*(1-S11)+S12*S21)/((1+S22)*(1+S11)-S12*S21)
Inductance=imag(1/Y11)/(2*pi*freq)
Q=imag(1/Y11)/real(1/Y11)

On the basis of a method for inductance and Q calculation in the article of (http://eesof.tm.agilent.com/pdf/tality_ppt.pdf), would you teach me how to express the equations to induce them on data window?

Thank you for your time.  

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