Motech MT 4080 - Page 16

14
D
Ae
= Ae of |Zx|
Accuracy applies when Dx (measured D value)
≦ 0.1
When Dx > 0.1, multiply Dx by (1+Dx)
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%,
002.0
100
±=⋅±=
Ae
D
Ae
Q Accuracy:
DeQx
DeQx
Ae
Q
⋅
⋅
±=
m1
2
Q
Ae
= Ae of |Zx|
Qx : Measured Quality Factor Value
De : Relative D Accuracy