Agilent Technologies EasyEXPERT Guide de l'utilisateur télécharger pdf (Page 91)

Agilent EasyEXPERT User’s Guide Vol. 2, Edition 1 8-15

Application Library

QSCV Maximum Measurement Value and Accuracy

QSCV Maximum Measurement Value and

Accuracy

This section describes the maximum measurement value and accuracy for the result

data measured by using the QSCV[2] application test. These values do not guarantee

the measurement performance. They are just the supplemental information.

• “Maximum Measurement Value”

• “Measurement Accuracy”

NOTE To obtain stable 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 supplemental

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 8-1 to Figure 8-5. 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.

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Agilent Technologies EasyEXPERT Guide de l'utilisateur Page 91