My Report

Optical Communication Mock Test 6


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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 10%

Question 1 of 10

1. FET device has extremely high input impedance greater than _________

Question 1 of 10

Question 2 of 10

2. For silicon APDs, the value of excess noise factor is between _________

Question 2 of 10

Question 3 of 10

3. ________________ is a combination of shunt capacitances and resistances.

Question 3 of 10

Question 4 of 10

4. A silicon p-i-n photodiode incorporated in an optical receiver has following parameters:

Quantum efficiency = 70%
Wavelength = 0.8 μm
Dark current = 3nA
Load resistance = 4 kΩ
Incident optical power = 150nW.
Bandwidth = 5 MHz

Compute the photocurrent in the device.

Question 4 of 10

Question 5 of 10

5. The properties of a bipolar transistor are superior to the FET.

Question 5 of 10

Question 6 of 10

6. The n-p-n hetero-junction phototransistor is grown using ______________

Question 6 of 10

Question 7 of 10

7. The PIN-FET hybrid receivers are a combination of ______________

Question 7 of 10

Question 8 of 10

8. The detection mechanism in the ____________ photo-detector includes inter sub-band transitions.

Question 8 of 10

Question 9 of 10

9. Phototransistors based on hetero-junction using _________ material are known as waveguide phototransistors.

Question 9 of 10

Question 10 of 10

10. How many circuits are present in an equivalent circuit for the digital optical fiber receiver?

Question 10 of 10


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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