7.3 Performance Test for Sampling Oscilloscope
7-35
7
Performance Test
8. Connect the output connector of the programmable optical
attenuator and the optical power meter, using a multi-mode
optical fiber.
9. Set the light source wavelength to 850 nm.
10. Set the optical power meter wavelength to 850 nm.
11. Set the light source output to On.
12. Adjust the programmable optical attenuation to set the optical
power meter display to around –5 dBm (0.316 mW).
13. Record the optical power meter display P (dBm).
14. Disconnect the optical fiber from the optical power meter and
connect it to the optical connector for
MMF
of
Ch B In
.
15. Click Scope to display only Ch B signals on the graph.
16. Click Sampling to set to Run.
17 Record the displayed Average Power (dBm).
For the MP2110A-039 or MP2110A-049, run the performance test on Ch A,
Ch C and Ch D in the same way.
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