6.a. Which of the following can you accurately measure using an OSA? A. Signal power in a channel only B. Spectral width of a channel only C. Center wavelength of a signal only D. Signal power and spectral width of a channel and center wavelength of a signal 6.b. Which instrument should you use to determine the receiver sensitivity threshold during a receiver sensitivity test? A. BER tester B. OTDR C. Reel tester D. Variable optical attenuator
6.a. Which of the following can you accurately measure using an OSA?
A. Signal power in a channel only
B. Spectral width of a channel only
C. Center wavelength of a signal only
D. Signal power and spectral width of a channel and center wavelength of a signal
6.b. Which instrument should you use to determine the receiver sensitivity threshold during a receiver
sensitivity test?
A. BER tester
B. OTDR
C. Reel tester
D. Variable optical attenuator
6.a.
An optical spectrum analyzer(OSA) is an instrument that is used for the measurement of the signal power for the given span of the wavelength. The power is displayed on the vertical scale of the OSA while the wavelength is displayed on the horizontal. The measurements performed by the OSA are:
Signal power
The central wavelength of the signal
Optical signal-to-noise ratio (OSNR)
Thus the correct option will be "D. Signal power and spectral width of a channel and center wavelength of a signal"
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