34 | Keysight | E4991B Impedance Analyzer - Data Sheet
Examples of Calculated Permittivity Measurement Accuracy (continued)
Figure 48. Permeability loss tangent (tand) accuracy vs. frequency
Figure 45. Permeability accuracy (Δµ'r) vs. frequency (at F = 0.5 mm, typical)
(at F = 0.5 mm, typical)1
µ'r
Figure 49. Permeability loss tangent (tand) accuracy vs. frequency
Figure 46. Permeability accuracy (Δµ'r) vs. frequency (at F = 3 mm, typical)
(at F = 3 mm, typical)1
µ'r
Figure 50. Permeability loss tangent (tand) accuracy vs. Frequency
Figure 47. Permeability accuracy (Δµ'r) vs. frequency (at F = 10 mm, typical)
(at F = 10 mm, typical)1
µ'r
1. This graph shows only frequency dependence of Ea for simplification. The typical accuracy of tand is defined as Ea + Eb; refer to “Typical permeability
measurement accuracy” on page 28.
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