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Keysight Technologies B1505A User Manual

Keysight Technologies B1505A
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5-16 Keysight B1505A User’s Guide, Edition 12
Measurement Examples
Gate Charge Measurement
NOTE Qg (JESD24-2 High Id + JESD24-2 High Vds) (for extracting high current and high
voltage gate charge characteristics) inquires the latest high current gate charge
measurement result and the latest high voltage gate charge measurement result using
the specified Device ID.
A maximum of 1000 measurement results for a Device ID can be recorded. They are
kept until the present workspace is closed.
Checking the Measurement Result
After each measurement, the gate charge characteristics will be displayed on the
Data Display window. After all measurements, you can view each measurement
result on the Data Display window.
The result of the Qg (JESD24-2 High Id + JESD24-2 High Vds) shows the gate
charge characteristics extracted from the high current and high voltage measurement
results.
For the Qg (High Id + JESD24-2) and Qg (High Vds + JESD24-2), you can also
observe the switching waveforms as shown below.
1. Click the Results button at the lower position of the main screen to show the
pull-down menu, and then select Filter > Expand Application Test Results to
activate this function.
2. Select a measurement result of the Qg (High Id Switching) or Qg (High Vds
Switching) in the list of the Results. And then, right-click it to open the pop-up
menu, and select the Display Data. The switching waveforms are displayed in
the Data Display window.
Adjusting the Measurement Condition
The charging interval on the gate charge characteristics increases in proportion to
the switching speed. If the charge interval is too long, decrease the gate current Ig.

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Keysight Technologies B1505A Specifications

General IconGeneral
BrandKeysight Technologies
ModelB1505A
CategoryMeasuring Instruments
LanguageEnglish

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