Stimulus Span changere e a bit the Smith measurement

Jim Lux All Messages By This Member #39274 Yeah, but there is the problem that the resistances are small (compared to impedance), so things which have “percentage uncertainty” (which the VNA uses) will be tough. It might help to look at the uncertainty of your measurement (that is, how the calculation of impedance is done). It may be that your measurements are within the uncertainty of each other. Z = Zo * ((1 + Γ) / (1 - Γ)) Gamma, here, is basically the ratio between the forward and reflected voltages. Which are complex numbers, where the uncertainties are roughly equal in I and Q. toggle quoted message Show quoted text On Jan 31, 2025, at 16:59, Team-SIM SIM-Mode via groups.io <sim31_team@...> wrote: ?Hi WB2UAQ The inductance is a 8 turns around T37-6 Core at 14.124 Khz. The measurement focused on loss resistor to select the one having the lowest loss for filtre application, this require the comparaison to be done with the same stimulus span , same calibration and all things are the same , otherwise the comparaison does not have sens . 73s Nizar

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