5-22 Keysight B1505A User’s Guide, Edition 12
Measurement Examples
Gate Charge Measurement
PowerMOSFET Qg (High Vds + JESD24-2) Performing high voltage gate charge
measurement at the specified off voltage, and
then extracting gate charge characteristics
Qg (High Vds) Performing high voltage gate charge
measurement at the specified off voltage
Qg (JESD24-2 High Id +
JESD24-2 High Vds)
Extracting high current and high voltage gate
charge characteristics from the results of high
current and high voltage gate charge
characteristics extraction that have the same
Device ID.
IGBT Qg (High Ic + High Vce+
JESD24-2)
Performing high voltage gate charge
measurement at the specified off voltage and
high current gate charge measurement at the
specified on current, and then extracting gate
charge characteristics
Qg (R Load High Ic + High Vce+
JESD24-2)
Performing high voltage gate charge
measurement at the specified off voltage and
high current gate charge measurement at the
resistive load, and then extracting gate charge
characteristics
Qg (High Ic + High Vce) Performing high voltage gate charge
measurement at the specified off voltage and
high current gate charge measurement at the
specified on current
Qg (R Load High Ic + High Vce) Performing high voltage gate charge
measurement at the specified off voltage and
high current gate charge measurement at the
resistive load
Qg (High Ic + JESD24-2) Performing high current gate charge
measurements at the specified off voltage and
on current, and then extracting gate charge
characteristics
Category Application Test Description
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