Bk-precision 889B - Manual Manual de usuario descargar pdf (Pagina 12)

Q Accuracy:

DeQx

⋅

±=

1

= 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

102

LxfZx

Refer to the accuracy table, get

=±0.5%,

005.0

100

±=⋅±=

If measured Qx = 20

Then

1.01



±=

⋅

±=

DeQx

θ Accuracy:

100

180

⋅=

Example:

Test Condition:

Frequency : 1KHz

Level : 1Vrms

DUT : 100nF

Then

Ω=

−

⋅⋅⋅⋅

⋅⋅⋅

1590

10100

102

Cxf

Refer to the accuracy table, get

=±0.1%,

deg057.0

100

1.0180

100

180

±=⋅±=

⋅±=

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 34 35

1. Introduction 4
Imaginary Axis 5
Real Axis 5
Figure 1.1 5
1.3 Specification 6
LxfZx ⋅⋅⋅= 10
1<⋅ DeQx 12
 Testing Signal: 13
2. Operation 15
Service Information 33

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Bk-precision 889B - Manual Manual de usuario Pagina 12

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