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
10
100
10
2
1
2
1
9
3
π
π
Cx
f
Zx
Refer to the accuracy table, get
C
Ae
=±0.2%,
002
.
0
100
±
=
⋅
±
=
Ae
D
Ae
Q Accuracy:
De
Qx
De
Qx
Ae
Q
⋅
⋅
±
=
m
1
2
Q
Ae
= Ae of |Zx|
Qx : Measured Quality Factor Value
De : Relative
D
Accuracy
