Protek Z9216 - Page 13

Then the accuracy of the Q calculation is given by equation (3b)
Accuracy of Q = ± [(A
l
/100) × (1+Q
2
)] (3b)
0.55% 0.35% 0.55%
0.35% 0.25% 0.35%
0.20%
Figure 2-2 Basic Impedance Accuracy for Inductance
Table 2-4 - Extreme Range Error Terms for Inductances, K
h
and K
l
Frequency K
l
K
h
100 Hz, 120 Hz
(1 µH/L
m
)
(L
m
/2.6 MH)
1 kHz
(0.1 µH/L
m
)
(L
m
/260 kH)
10 kHz
(0.02 µH/L
m
)
(L
m
/10 kH)
100 kHz
(0.02 µH/L
m
)
(L
m
/100 H)
Note: L
m = Measured Inductance Value
9