Anritsu MT9812B, Operation Manual, Page: 122 / 144

Section 6 Performance Test
6-4
6.2 Optical Sensor Performance Test
Perform tests on two items shown below to check the performance of the light
sensor.
• Linearity Between Ranges
• Polarization Dependency
• Return Loss
• Noise Level
Clean the optical connector before starting the test.
7.1 Daily Care and Cleaning
Perform the performance test after a sufficient time for warming up following power on.
2.2 Specifications
POINT
To record results of the performance test, it is advised
to copy the list of performance test result record of
Appendix A at the end of this document or prepare a
similar list to ensure convenience of recording.
Measuring instruments necessary for the test
• Optical attenuator
Wavelength: 1.1 to 1.65
µ
m
Max. attenuation: 60 dB or more
Max. light input level: +23 dBm or more
• Light source
Optical output: +10
±
1 dBm
Stability: 0.005 dB or less