Atec Agilent-E4980A-AL User Manual
Page 10
10
Q accuracy (when Q x De < 1)
Q accuracy Qe is given as:
Equation 10.
Qe = ±
(Qx
2
× De)
(1 Qx × De)
Qx Measured
Q
value
De
Relative D accuracy
θ accuracy
θ accuracy θe is given as:
Equation 11.
θe = 180 × Ae (deg)
π × 100
Ae
Relative accuracies of |Z|, |Y|, L, C, R, X, G, and B
G accuracy (when Dx ≤ 0.1)
G accuracy Ge is given as:
Equation 12.
Ge = Bx × De
(S)
Bx = 2πfCx =
1
2πfLx
Ge
Relative G accuracy
Dx Measured
D
value
Bx Measured
B
value
De
Relative D accuracy
f
Test frequency
Cx
Measured C value (F)
Lx
Measured L value (H)
Rp accuracy (when Dx ≤ 0.1)
Rp accuracy Rpe is given as:
Equation 13.
Rpe = ±
Rpx × De
(Ω)
Dx De
Rpe
Relative Rp accuracy
Rpx
Measured Rp value (Ω)
Dx Measured
D
value
De
Relative D accuracy
Rs accuracy (when Dx ≤ 0.1)
Rs accuracy Rse is given as:
Equation 14.
Rse = Xx × De
(Ω)
Xx = 1 = 2πfLx
2πfCx
Rse
Relative Rs accuracy
Dx Measured
D
value
Xx
Measured X value (Ω)
De
Relative D accuracy
f
Test frequency (Hz)
Cx
Measured C value (F)
Lx
Measured L value (H)
±
±