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Optical Sampling Modules
9.
In the Mode/Trigger dialog box, do the following:
a.
Set the trigger source to
Direct
.
b.
Click the
Advanced Trigger Setup
button.
c.
Click the
Set to 50%
button to set the trigger point midway on the rising
signal.
d.
Set the Slope value to Rising Edge (
).
e. Close
the Advanced Trigger Setup dialog box.
10.
In the Horiz Setup dialog box, do the following;
a.
Set the Scale to
1.000 ns/div
. (This setting will make it easier to initially
locate the optical pulse later in the procedure.)
b.
Set the Position to
18.000 ns
. (This setting will make it easier to locate the
fi
rst optical pulse later in the procedure.)
c.
Set the Record Length to
2000
.
11.
In the Disp Setup dialog box, do the following:
a.
Set the Style to
Normal
.
b.
Click
Show Vectors
.
12.
In the Vert Setup dialog box, do the following:
NOTE.
If the Scale, Position, and Channel Offset control boxes are not displayed
in the following step, click the Basic>> button in the lower left part of the Vert
Setup dialog box.
a.
Set the Scale to
500.0
μ
W/div
(or a lower setting if 500.0
μ
W is not
available).
b.
Set Position to
0.0 div
.
c.
Set Channel Offset to
0.0 W
.
d.
Click the
Optical
button in the lower left part of the Vert Setup dialog box.
e.
Set Wavelength to
1550 nm
.
f.
Set the Bandwidth or Filter to the highest bandwidth setting available for
the optical sampling module under test, using the following table:
80C01
Filter to None
Bandwidth to 20.000 GHz
80C02
Filter to None
Bandwidth to 30.000 GHz
80C03
Filter to None
Bandwidth 2 GHz
80C04
Filter to None
Bandwidth to 30.000 GHz
226
DSA8300 Performance Veri
fi
cation
Содержание 80A00
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Страница 16: ...Important safety information x DSA8300 Performance Verification ...
Страница 213: ...Electrical Sampling Modules Figure 21 Setup to measure Power in DSA8300 Performance Verification 195 ...