• Free Space Calibration Procedure
    Dear Swadesh,

    I would recommend that you perform a free space TRL calibration. The through is simply the distance between the two ports (antennas) without any sample. Reflect is a reflective plate in the sample holder. Line is the additional distance between the two ports depending on the measurement frequency - take the quarter wavelength of the mid-band frequency and move the second antenna by the corresponding length - example X-band - 9 GHz - 8 mm = line is through length + 8 mm.

    Make sure you specify a sexless connector with a characteristic impedance of 377 Ohms.

    Hope this helps.


Yassen Mikhailov

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