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Performance Tests
4- 130
CSA7404B, TDS7704B, TDS7404B, TDS7254B & TDS7154B Service Manual
H
Move the optical fiber from the optical power meter to the optical
input of the CSA Instrument.
b.
Initialize the instrument:
Press the
DEFAULT SETUP
button.
c.
Modify the initialized front-panel control settings:
H
From the tool bar, touch
Meas
and select the
Ampl
tab.
H
Touch
Mean
.
H
From the tool bar, touch
Horiz
and select the
Acquisition
tab.
H
Touch
Average
and set the number of averages to
64
.
H
Touch the
Close
button.
H
Set the Vertical
SCALE
to 20 mV per division.
H
Set the Horizontal
SCALE
to 200
s.
Table 4- 15: O/E gain
Wavelength setting
Vertical scale
setting
Attenuator output
setting
Accuracy limits
780 nm
20 mV
0.1 mW (--10 dBm)
≥
27 mV
850 nm
20 mV
0.1 mW (--10 dBm)
≥
33 mV
1310 nm
50 mV
0.1 mW (--10 dBm)
≥
64 mV
1550 nm
50 mV
0.1 mW (--10 dBm)
≥
64 mV
2.
Confirm O/E Gain is within limits:
Do the following substeps — test the
first wavelength setting in Table 4--15 first, skipping substep a since 780 nm
is already selected from step 1.
a.
Select and unchecked wavelength from Table 4--15.
H
Move the optical fiber from optical input of the the CSA Instrument
to the optical power meter.
H
Set the CW laser source to wavelength not yet checked from
Table 4--15.
H
Set the Vertical
SCALE
to the setting in Table 4--15 for the selected
wavelength.
H
Set the multimode optical attenuator for 0.1 mW out of the optical
power meter.
Summary of Contents for CSA7404B
Page 4: ......
Page 14: ...Table of Contents x CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...
Page 18: ...Service Safety Summary xiv CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...
Page 20: ...Environmental Considerations xvi CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...
Page 23: ...Specifications ...
Page 24: ......
Page 55: ...Operating Information ...
Page 56: ......
Page 69: ...Theory of Operation ...
Page 70: ......
Page 74: ...Theory of Operation 3 4 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...
Page 75: ...Performance Verification ...
Page 76: ......
Page 80: ...Performance Verification 4 4 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...
Page 92: ...Brief Procedures 4 16 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...
Page 120: ...Performance Tests 4 44 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...
Page 215: ...Adjustment Procedures ...
Page 216: ......
Page 218: ...Adjustment Procedures 5 2 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...
Page 219: ...Maintenance ...
Page 220: ......
Page 228: ...Maintenance 6 8 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...
Page 308: ...Troubleshooting 6 88 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...
Page 310: ...Repackaging Instructions 6 90 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...
Page 311: ...Options ...
Page 312: ......
Page 319: ...Replaceable Electrical Parts ...
Page 320: ......
Page 322: ...Electrical Parts List 8 2 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...
Page 323: ...Diagrams ...
Page 324: ......
Page 327: ...Replaceable Mechanical Parts ...
Page 328: ......
Page 348: ...Mechanical Parts List 10 20 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...