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4 GenericTest
4.2 Generic C-t: C-t characteristics of capacitor (2 terminals) (A.03.00)
[Supported Analyzer]
B1500A, B1505A
[Description]
Measures the capacitance and conductance vs time characteristics.
For a more accurate measurement, perform Open/Short/Load correction 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]
Capacitor, 2 terminals
For a more accurate measurement, connect CMU High to device’s Low and CMU Low to device’s High.
[Required Modules and Accessories]
Agilent B1520A MFCMU 1 unit
[Test Parameters]
Port1: CMU connected between capacitance
Vbias: Bias voltage
Vbase: Voltage before measurement
Freq: Measurement frequency
OscLevel: Measurement signal level
IntegTime: Integration time
BiasHoldTime: Vbias hold time
BaseHoldTime: Vbase hold time
Interval: Sampling interval time
NoOfSampling: Number of sampling steps
OnAbnormalStatus: Auto abort function set up
Range: Measurement range
[Extended Test Parameters]
G_Min: Minimum transconductance value for graph
G_Max: Maximum transconductance value for graph
Cp_Min: Minimum capacitance value for graph
Cp_Max: Maximum capacitance value for graph
InitialVoltage: Initial voltage before Vbase
[Measurement parameters]
Susceptance B
Conductance G
DC bias monitor data DcMon
AC level monitor data AcMon
[User Function]
Circular constant PI=3.141592653589
Agilent EasyEXPERT Application Library Reference, Edition 8
4-5