Bk-precision 889B - Manual Manual de usuario descargar pdf (Pagina 11)

ESR Accuracy:

100

ESR ⋅±=

Cxf

LxfXx

⋅⋅⋅

=⋅⋅⋅=

ESR

= Ae of ESR

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

DUT : 100nF

Then

Ω=

−

⋅⋅⋅⋅

⋅⋅⋅

1590

10100

102

Cxf

Refer to the accuracy table, get

=±0.1%,

Ω±=⋅±= 59.1

100

ESR

D Accuracy:

100

D ±=

= Ae of D measurement value

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

DUT : 100nF

Then

Ω=

−

⋅⋅⋅⋅

⋅⋅⋅

1590

10100

102

Cxf

Refer to the accuracy table, get

=±0.1%,

002.0

100

±=⋅±=

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 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 11

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