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Port Extension / De-embedding

Question asked by AndrewMEI on Jan 13, 2011
Latest reply on Jan 13, 2011 by AndrewMEI
Hi,

I am trying to measure the permittivity and permeability for PTFE blocks in the X-band frequency range.

I used TRL calibration for my waveguide based measurement. I am wondering how should I apply port extension OR  de-embedding to eliminate the errors that caused by the sample holder.
For example, my sample holder is about 23mm long ( x-band waveguide), and my sample is about 6mm in thickness and it is placed in the sample holder tightly. How much (in length) do i have to extend for both ports?

Also, do i have to put my sample in the middle of the waveguide?


By the way, I am using PNA E8362C for the measurement.


Best Regards,
Andrew  

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