Author Topic: Convert S-Parameters from 2 ports to 4 ports  (Read 618 times)

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Offline RFbeginnerTopic starter

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Convert S-Parameters from 2 ports to 4 ports
« on: September 01, 2019, 07:44:15 pm »
Hello everyone,
I am currently working on de-embedding coplanar stripline designs. I have boards with one input and one output constituted of Hybrid-CPS design-Hybrid and I have measured SP of the hybrids. I first tried to convert the SP of the hybrids from 4 ports to differential 2 ports but it messes up the impedance and the deembedding doesn't work, so now I'm trying the opposite, which is to convert the S2P of the boards into S4P, deembed them and then convert them back to S2P and see the results. but i can't figure how to efficiently convert the S2P files to S4P files...
Does any of you can give me a tip on how to do that ? or a matlab function perhaps ?

Thanks. 
 


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