L Accuracy:
Lx
f
Zx
⋅
⋅
⋅
=
π
2
L
Ae
= Ae of |Zx|
f
: Test Frequency (Hz)
Lx : Measured Inductance Value (H)
|Zx| : Measured Impedance Value (
Ω
)
Accuracy applies when Dx (measured D value)
≦
0.1
When Dx > 0.1, multiply L
Ae
by
2
1
Dx
+
Example:
Test Condition:
Frequency
:
1KHz
Level :
1Vrms
Speed :
Slow
DUT :
1mH
Then
Ω
=
⋅
⋅
⋅
=
⋅
⋅
⋅
=
−
283
.
6
10
10
2
2
3
3
π
π
Lx
f
Zx
Refer to the accuracy table, get L
Ae
=±0.5%
ESR Accuracy:
12