15 Structure
15.27 R-V DVM: Low resistance measurement using 3458A, voltage force
(A.01.20)
[Supported Analyzer]
B1500A
[Description]
Measures the low resistance of a 2-terminal device. SMU forces voltage and measures current, and DVM
(3458A) measures voltage between terminals. Resistance is calculated from the measured value of a current and
that of a voltage between terminals. For the purpose of excluding thermoelectric power, this test is designed to
measure resistance again by switching the direction of voltage and to get the average value of resistance as a
test result.
[Device Under Test]
Resistor element, 2 terminals
[Required Modules and Accessories]
Agilent 3458A digital multimeter 1 unit
GPIB cable
[Required Test Definition]
Measure Diff-V
[Device Parameters]
L: Resistor length
W: Resistor width
Temp: Temperature (deg C)
[Test Parameters]
IntegTime: Integration time
Port1: SMU connected to resistor, voltage output
V1: Applied voltage
I1Limit: Port1 current compliance
Port2: SMU connected to resistor, constant voltage output
GPIB-Adr: GPIB address of DVM
[Extended Test Parameters]
V2: Output voltage
HoldTime: Hold time
DelayTime: Delay time
PortMinRng: Minimum range for port current measurement
[Measurement Parameters]
[Measurement Parameters for first measurement (Vpos)]
Iport2: Measured current
[Measurement Parameters for second measurement (Vneg)]
Iport1: Measured current
[X-Y Plot]
[X-Y Plot for first measurement (Vpos)]
X axis: Applied voltage on Port1 Vport1 (LINEAR)
Y1 axis: Measured current Iport2 (LINEAR)
Agilent EasyEXPERT Application Library Reference, Edition 8
15-46
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