HP 85027B, Directional Bridge Measurement Uncertainty

Started by teaguekm, 08-25-2015 -- 10:38:32

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teaguekm

Has anyone had any luck in creating a formula for the uncertainty of the 85027B.  What I need is a formula for calculating the "Effective source match vs. reflection uncertainty" and "Directivity vs. reflection uncertainty".  The manual only has these values in a graph format.   If you have something what would help or knowledge you would like to share.  Please send it my way.

Thanks,
kmt