AN_ANALOG_OPTICAL_FIBER_SYSTEM_OPERATING_AT_WAVELENGTH_1‚ÂÀ√≠� – McqOptions

MCQOPTIONS

1.	AN_ANALOG_OPTICAL_FIBER_SYSTEM_OPERATING_AT_WAVELENGTH_1‚ÂÀ√≠¬¨‚À´MHAS_A_POST-DETECTION_BANDWIDTH_OF_5MHZ._ASSUMING_AN_IDEAL_DETECTOR_AND_INCIDENT_POWER_OF_198_NW,_CALCULATE_THE_SNR_(_F_=_2.99‚ÄÖ√†√∂‚ÀÖ‚Â•1014HZ)?$#
A.	46
B.	40
C.	50
D.	52
Answer» D. 52

Discussion

No Comment Found

Related MCQs

If a matched attenuator with a loss of 3.2 dB is placed between the source and the amplifier’s input, what is the operating spot noise figure of the attenuator amplifier cascade if the attenuator’s physical temperature is 290 K?
What is the maximum average effective input noise temperature that an amplifier can have if its average standard noise figure is to not exceed 1.7?
What average operating noise figure results when the amplifier is used with an antenna of temperature 30 K?
If the amplifier is sold to engineering public, the noise figure that would be quoted in a catalog is
A system has three stage cascaded amplifier each stage having a power gain of 10 dB and noise figure of 6 dB. the overall noise figure is
A mixer stage has a noise figure of 20 dB. This mixer stage is preceded by an amplifier which has a noise figure of 9 dB and an available power gain of 15 dB. The overall noise figure referred to the input is
A resistor R 1 k is maintained at 17C. The rms noise voltage generated in a bandwidth of 10 kHz is
In a receiver the input signal is 100 V, while the internal noise at the input is 10 V. With amplification the output signal is 2 V, while the output noise is 0.4 V. The noise figure of receiver is
In the equation given below, what does τstands for?
The incident optical power required to achieve a desirable SNR is 168.2nW. What is the value of incident power in dBm?