Anritsu MS9740B - Page 212

Chapter 5 Measurement Functions
5-62
4. Press
f1 Pin
. Select the traces A to J to store the signal waveform.
5. Press
f2 Pout
. Select the traces A to J to store the optical output
waveform.
6. Press
f3 Pase
. Select the traces A to J to store the ASE waveform.
7. Press
f7 More 2/2
.
8. Input the output light of the optical amplifier to MS9740B as shown
by the connection in Figure 5.7.6-1 (a).
Input the modulation signal to the Ext Trigger connector on the rear
panel.
9. Set VBW to a larger value than the modulation frequency.
10. Set the wavelength, resolution, and level scale.
11. To calibrate the resolution, input single spectrum light into the
optical spectrum analyzer.
To achieve this, set the optical output for just one light source to on
and the output of the other light sources to off.
12. Press
f5 Res Cal
.
13. Press
f1 Execute
. The message indicating the resolution calibration
in progress is displayed.
14. Set the optical output of the light source set to off at step 11 to on.
15. Press
f4 Ext Trigger Delay
.
16. Adjust the delay time to maximize the optical signal level and press
f8 Back
.
17. Press
f3 Write to
.
18. Press
f1 Pin
.
19. Press
Single
or
Repeat
.
The data for the trace specified at step 4 is stored.
20. Press
f3 Write to
.
21. Press
f2 Pout
.
22. Connect as shown by the connection in Figure 5.7.6-1 (b) and input
the output light of the optical amplifier to MS9740B.
If necessary, insert an optical bandpass filter between the optical
amplifier and MS9740B to remove the ASE.
23. Press
f4 Ext Trigger Delay
.
24. Adjust the delay time to maximize the optical signal level and press
f8 Back
.
25. Press
Single
or
Repeat
.
The optical amplifier optical signal and the ASE optical output data
are each stored at the trace specified at steps 5 and 6.
26. Press
f2 Parameter
.