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1. Express the input power in dBm.  2. Express the input power in dBu.  3. Express the individual noise factors into noise figures.

1. Express the input power in dBm.  2. Express the input power in dBu.  3. Express the individual noise factors into noise figures.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Three networks are cascaded with the following gains, noise factors, and input power respectively (image attached below):

1. Express the input power in dBm. 
2. Express the input power in dBu. 
3. Express the individual noise factors into noise figures. 
4. Express the individual gains into absolute values. 
5. Obtain the total noise factor of the system.
6. Obtain the equivalent noise temperature of the entire system. 
7. If the input noise is 0.1 uW, determine the input SNR. 
8. Obtain the output SNR.

Present your solitions in a complete and systematic manner. Box your final answer. Use 4 deciual places.

Gains Network A: 10 dB, Network B: 5 dB, and Network C: -3 dB Noise factors Network A: 3, Network B: 4, and Network C: 5 Input Power 10 mW
Transcribed Image Text:Gains Network A: 10 dB, Network B: 5 dB, and Network C: -3 dB Noise factors Network A: 3, Network B: 4, and Network C: 5 Input Power 10 mW
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