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Agilent Technologies EasyEXPERT

Agilent Technologies EasyEXPERT
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27 PowerMOSFET, PMIC, SiC
27.4 Cgs-Vgs: Power MOSFET Cgs-Vg characteristics (A.05.50)
[Supported Analyzer]
B1505A
[Description]
Measures Gate-Source capacitance (Cgs), and plots Cgs-Vg characteristics.
For a more accurate measurement, perform correction data measurement at the measurement frequency before
starting the capacitance measurement.
If the measurement frequency is not included in the list of default frequencies below, click the Advanced
Options... button and set the measurement frequency on the Frequency area of the Advanced Options for CMU
Calibration window.
Default frequencies:
1 k, 2 k, 5 k, 10 k, 20 k, 50 k, 100 k, 200 k, 500 k, 1 M, 1.2 M, 1.5 M, 2 M, 2.5 M, 2.7 M, 3 M, 3.2 M, 3.5 M,
3.7 M, 4 M, 4.2 M, 4.5 M, 5 MHz
[Device Under Test]
Power MOSFET, 3 terminals
[Device Parameters]
Polarity: Nch (CMU forces the specified value) or Pch (CMU forces the negative specified value).
Temp: Temperature
YAxisCgsMin: Y axis (Cgs) minimum value
YAxisCgsMax: Y axis (Cgs) maximum value
[Test Parameters]
Memo: Memorandum
IntegTime: Integration time
Frequency: Measurement frequency
OscLevel: Measurement signal level
Gate: CMU used for the capacitance measurement
VgStart: DC bias sweep start voltage
VgStop: DC bias sweep stop voltage
VgStep: DC bias sweep step voltage
Vg@Cgs0: Gate voltage for Cgs0
[Extended Test Parameters]
HoldTime: Hold time
DelayTime: Delay time
[Measurement Parameters]
Gate-Source capacitance Cgs
Gate-Source conductance Ggs
[User Function]
Ta: Temperature Ta=Temp
[Analysis Function]
Cgs0=@MY (Y coordinate of Marker)
[Auto Analysis]
Marker: Vgate=Vg@Cgs0
Agilent EasyEXPERT Application Library Reference, Edition 8
27-9

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