Agilent Technologies B1500A Podręcznik Użytkownika Pobierz pdf (Strona 565)

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Agilent B1500 User’s Guide, Edition 7 10-13

Application Library and Utilities

QSCV Measurement Supplemental Data

This section provides the following supplemental data of the QSCV measurement.

You can perform the QSCV measurement by using the QSCV[2] application test.

• “Maximum Measurement Value”

• “Considering Measurement Accuracy”

NOTE To obtain stable QSCV measurement results, use two source monitor units (SMU).

Assign the current meter and the voltage sweep source to the individual SMU.

Maximum Measurement Value

NOTE The maximum measurement value is not the specifications but the reference data.

Even if the capacitance is within this range, measurement may not be completed due

to influences on the measurement path such as extension cables, etc. The maximum

measurement value will be smaller depending on the leakage current.

The maximum measurement value depends on the settings of the current

measurement range, the QSCV measurement voltage, and the integration time. See

Figure 10-1 to Figure 10-5. Each figure shows the characteristics of the capacitance

value vs. the QSCV measurement voltage by the integration time setting. Each line

in the graph specifies the maximum measurement value for each integration time

setting.

The graph data is applied to the measurement when the QSCV integration time is set

to the same value as the LEAK integration time.

1 2 ... 560 561 562 563 564 565 566 567 568 569 570 ... 627 628

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