Motech MT 4080 - Page 15

13
ESR
Ae
= Ae of |Zx|
f : Test Frequency (Hz)
Xx : Measured Reactance Value (
Ω )
Lx : Measured Inductance Value (H)
Cx : Measured Capacitance Value (F)
Accuracy applies when Dx (measured D value)
≦ 0.1
Example:
Test Condition:
Frequency : 1KHz
Level : 1Vrms
Speed : Slow
DUT : 100nF
Then
Ω=
⋅⋅⋅⋅
=
⋅⋅⋅
=
−
1590
10100102
1
2
1
93
π
π
Cxf
Zx
Refer to the accuracy table, get
C
Ae
=±0.2%,
Ω±=⋅±= 18.3
100
Ae
XxESR
Ae
D Accuracy:
100
Ae
D
Ae
±=