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extract S-parameters

Question asked by MM_DEVILS on Jul 20, 2010
I am trying to measure S-parameters of device only. This device is on a 60 Ohm microstrip line and a waveguide to microstrip transition is used to have output ports as waveguide.

S parameter data is available for the entire setup with the device (i.e. waveguide to microstrip transition+device on microstrip). open and short S parameter data is also available.

Now, can I  use the above data for deembedding ? If yes, what should be my port impedance for deembedding ?