error in s to y param conversion

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Rosalinekavitha

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Hi,
I have s2p files for computing Y11. while converting s to y parameters using formula in matlab, wide variation in Re(Y11) is observed. how to fix the issue?. Alternatively i have tried with inbuilt function also, but it doesnot support large data.
 

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volker@muehlhaus said:
Do you think the conversion math is wrong, or the data itself?
If you upload your S2P, we can check S->Y with another program.
Click to expand...
L plot and its strength, convergence at fr, peak Q holds good. Non linearity observed at Q plot only. If data is wrong others will not holds good. Without using smooth option in MATLAB, another way to measure smooth Q??
 

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I do a lot of RFIC inductor plots using Y-parameters from S2P data (EM and measured).

Again: is your S2P data good or bad? Is your problem the data or the conversion math?
 

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volker@muehlhaus said:
I do a lot of RFIC inductor plots using Y-parameters from S2P data (EM and measured).

Again: is your S2P data good or bad? Is your problem the data or the conversion math?
Click to expand...
conversion math. Truncation or rounding off floating point values cause this deviation.
 

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