finding voltage from hfss s-matrix data output

PADMAJA SAMANTARA · May 10, 2014

hi every one,
I have simulated a microstrip transmission line in hfss 2013.
I got also s parameters.
But now i hv to calculate voltages from that.
e.g:
ihv s11, s12, s21 and s22
thn we know s11=v1-/v1+
my qstn is how to find v1+and v1- from the simulation result.
it is a mathematical solution .
hope one who knows it'll reply fast.

regards
padmaja

volker@muehlhaus · May 10, 2014

If you want to calculate voltages & currents, convert the S-parameters to Z-parameters:

https://www.rfcafe.com/references/electrical/s-h-y-z.htm

PADMAJA SAMANTARA · May 10, 2014

thnk u sir, igot tht .

but i hv only 4 -parameters s11,s12,s21, s22
thn how can i choose a1,a2, b1 and b2

regards
padmaja

volker@muehlhaus · May 10, 2014

Sorry, that link was somewhat difficult to read. Better use this one:
https://en.wikipedia.org/wiki/Impedance_parameters#Two_port

In the middle of the page, you find the conversion from S to Z-parameters (impedances).

PADMAJA SAMANTARA · May 11, 2014

thank u sir.

finding voltage from hfss s-matrix data output

PADMAJA SAMANTARA

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volker@muehlhaus

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PADMAJA SAMANTARA

PADMAJA SAMANTARA

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PADMAJA SAMANTARA

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finding voltage from hfss s-matrix data output

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Advanced Member level 6

PADMAJA SAMANTARA

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volker@muehlhaus

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