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SeCTIon 3
Bipolar Transistor Tests
Figure 3-8. Program 8 results: I
•
: 0V
vstart
•
: 10V
vstop
•
: 100
vsteps
After setup, the output is zeroed and enabled . A linear voltage
sweep from the start to the stop value is performed . At each step,
the collector-emitter current (I
Upon sweep completion, the output is disabled and the data is
written to the Instrument Console window of TSB .
3-12
I
CEO
3.50E–10
3.00E–10
2.50E–10
2.00E–10
1.50E–10
1.00E–10
5.00E–11
0.00E+00
0
2
vs. V
Ceo
Ceo
) is measured .
CEO
vs. V
(2N3904)
CEO
4
6
8
V
(Volts)
CEO
3.6.5 Modifying Program 8
For different sweep values, simply modify the vstart, vstop,
and vstep values and source range parameter as appropriate .
In order to speed up the test procedure, you may wish to use
a faster integration period . Simply change the l _ nplc value .
Note, however, that changing this parameter may result in unac-
ceptable reading noise .
I
vs. V
CEO
CEO
10
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