多項(xiàng)選擇題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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1.單項(xiàng)選擇題If the power is 0 dBm, what is the power in mW?()

A. 0 mW
B. 1 mW
C. 10 mW
D. 1.5 mW

2.單項(xiàng)選擇題What is an advantage of an externally modulated laser over a directly modulated laser? ()

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

4.單項(xiàng)選擇題Which device creates an OEO conversion? ()

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

5.單項(xiàng)選擇題What is the difference between the transmitted power and the sensitivity of the receiver? ()

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

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