yefj's latest activity
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YHello,When I am measuring S-params in the lab I need to asses the cauality the passivity the reciprosity.The golden starndart is ysing...
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Yyefj posted the thread IFFT of FEXT crosstalk tells us insights about crosstalk? in Electrical Engineering.Hello ,I have SDD31 which is fext cross talk.suppose I do the IFFT to this data. What intresting things I could find out about the cross...
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Yyefj replied to the thread differential line insertion loss behaves very problematic in the oven.Hello Baluncore,I dont know how its been treated in production but its very intresting. Thank you very much.
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Yyefj replied to the thread differential line insertion loss behaves very problematic in the oven.Hello Baluncore, I think it moisture in the connector or the substrate. Could you please help me with materials on the subject? I put my...
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Yyefj posted the thread differential line insertion loss behaves very problematic in the oven in Electrical Engineering.Hello,I have a differential line connected by 4 ports using 1.85 sma connectors. one differential port on one side and another...
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Yyefj replied to the thread Implementing Kramers–Kronig causality check on real VNA s-params.Hello baluncore ,I read the manuals especially this one which is closer to what i need. regarding the steps you told me to follow ,how...
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Yyefj replied to the thread Implementing Kramers–Kronig causality check on real VNA s-params.Hello Baluncore,The Kramer Kronig method uses hilbert transform .Why its not mentioned in the manual?
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Yyefj replied to the thread Implementing Kramers–Kronig causality check on real VNA s-params.Hello Baluncore ,I am trying to implement something simple with the kramer kronig method. I have s-param file is there some manual which...
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Yyefj replied to the thread Implementing Kramers–Kronig causality check on real VNA s-params.Hello Baluncore, first I need to do the extrapolation . In the article they say that they use the polinomial but they dont say how they...
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Yyefj replied to the thread Limitations of the CQMI method to assess causality of s-parameters.Exacrly What is the formal limitation of the IEEE370 method cqmi? is there some definition where i know not to rely on this method?
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Yyefj replied to the thread Implementing Kramers–Kronig causality check on real VNA s-params.Hello Baluncore,what is the proper way to implement Kramers-Kronig on my s-params which has only 10MHz-67GHz? for causality checking.
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Yyefj posted the thread Implementing Kramers–Kronig causality check on real VNA s-params in Electrical Engineering.Hello , Kramers–Kronig need infinite BW but I measure s-params from 0 to 70GHZ. how do you reccomend to deal with the missing data? Thanks.
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Yyefj posted the thread Limitations of the CQMI method to assess causality of s-parameters in Electrical Engineering.Hello , I am frequently using CQMI to see if my s-parameters are casual however I was told the CQMI can give false results. What is the...
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Yyefj replied to the thread Question about s-parameter causality changes on the same PCB.UPDATE: Hello Baluncore ,I was told the following advice the CQMI is not the ultimate authority to test if the tested s-params is...
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Yyefj replied to the thread Question about s-parameter causality changes on the same PCB.Hello Balucore, Very intresting what you said could you please help me with the following so I will see the situation in more detail...
