The input to a coherent detector is DSB-SC signal plus noise. The noise at the detector output is: ...

The input to a coherent detector is DSB-SC signal plus noise. The noise at the detector output is: 

(1) The in-phase component (2) The quadrature-component (3) Zero (4) The envelope
by

1 Answer

Answer :

The input to a coherent detector is DSB-SC signal plus noise. The noise at the detector output is: Zero.

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The term responsivity as it applies to a light detector is best described as ∙ A. the time required for the signal to go from 10 to 90 percent of maximum amplitude ∙ B. the ratio of the diode output current to the input optical power ∙ C. the ratio of the input power to output power ∙ D. the ratio of output current to input current

Description : The term responsivity as it applies to a light detector is best described as ∙ A. the time required for the signal to go from 10 to 90 percent of maximum amplitude ∙ B. the ratio of the diode ... . the ratio of the input power to output power ∙ D. the ratio of output current to input current

Last Answer : the ratio of the diode output current to the input optical power

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