User guide

11
Q Accuracy:
DeQx
DeQx
Ae
Q
⋅
⋅
±=
1
2
Q
Ae
= Ae of Q measurement value
Qx : Measured Quality Factor Value
De : Relative D Accuracy
Accuracy applies when
1<⋅ DeQx
Example:
Test Condition:
Frequency : 1KHz
Level : 1Vrms
DUT : 1mH
Then
Ω=
−
⋅⋅⋅=
⋅⋅⋅
=
283.6
3
10
3
102
2
π
π
LxfZx
Refer to the accuracy table, get
L
Ae
=±0.5%,
005.0
100
±=⋅±=
Ae
De
If measured Qx = 20
Then
1.01
2
1
2


±=
⋅
⋅
±=
DeQx
DeQx
Ae
Q
θ Accuracy:
100
Ae
π
180
⋅=
Ae
θ
Example:
Test Condition:
Frequency : 1KHz
Level : 1Vrms
DUT : 100nF
Then
Ω=
−
⋅⋅⋅⋅
=
⋅⋅⋅
=
1590
9
10100
3
102
1
2
1
π
π
Cxf
Zx
Refer to the accuracy table, get
Z
Ae
=±0.1%,
deg057.0
100
1.0180
100
180
±=⋅±=
⋅±=
π
π
θ
Ae
Ae