11 | Keysight | Low Current Semiconductor Measurements Using the B2980A Series Ammeter - Technical Overview
(continued)
Step 5. Press the [Single] key. The Trigger indicator changes to [ARM], and the sweep measurement begins.
By pressing the [Auto Scale] function key, intermediate measurement data can be seen on the 10 X-Y graph.
Conclusion
The Keysight B2980A Series Picoammeter/Electrometer ammeter is an easy-to use, high performance and stable picoammeter that
considerable freedom to use the ammeter in various ways depending on the measurement requirements. The user friendly graphical
interface supports four viewing modes: Meter View, Graph View, Histogram View and Roll View. When used with the Null and Filter
Using the B2985A/B2987A’s built-in voltage source, it is easy to plot the I/V characteristics of two terminal semiconductor devices.
Auto Scale fits the I/V X-Y
plot to the display
Click on the [LINEAR] scale using .
Press key to change the Y axis to the
LOG scale.
1.00E-14
1.00E-12
1.00E-10
1.00E-08
1.00E-06
1.00E-04
1.00E-02
1.00E+00
0.00E+00 5.00E-01 1.00E+00 1.50E+00 2.00E+00
Anode current (A)
Forward voltage (V)
LED I/V characteristics
LED's forward I/V characteristics (Log scale) Spread sheet graph plotted on a PC.
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