多项选择题

A. dispersionB. Optical SNRC. span attenuationD. four w……

What are three relevant design considerations when using the 15216 EDFA？（）

A. dispersion
B. Optical SNR
C. span attenuation
D. four wave mixing
E. receiver sensitivity

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热门试题

单项选择题Ifthepoweris0dBm，whatisthepowerinmW？（）

A. 0 mW
B. 1 mW
C. 10 mW
D. 1.5 mW

单项选择题Whatisanadvantageofanexternallymodulatedlaseroveradirectlymodulatedlaser？（）

A. lower cost
B. higher chirp
C. easier to manufacture
D. higher dispersion tolerance
E. higher optical signal-to-noise ratio

单项选择题Whatisthephenomenoncalledwheredifferentwavelengthsoflighttravelatdifferentspeeds？（）

A. OSNR
B. dispersion
C. light skew
D. attenuation

单项选择题WhichdevicecreatesanOEOconversion？（）

A. amplifier
B. attenuator
C. regenerator
D. light emitter
E. optical switch
F. optical receiver
G. fiber-optic cable

单项选择题Whatisthedifferencebetweenthetransmittedpowerandthesensitivityofthereceiver？（）

A. OSNR
B. dispersion
C. attenuation
D. power budget
E. amplifier spacing
F. four wave mixing