Three networks are cascaded with the follwing gains, noise factors, and input power respectively: 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 Determine the following: 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
Three networks are cascaded with the follwing gains, noise factors, and input power respectively: 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 Determine the following: 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
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Question
Three networks are cascaded with the follwing gains, noise factors, and input power respectively:
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
Determine the following:
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
Transcribed Image Text:Part 2: Three networks are cascaded with the following gains, noise factors, and input
power respectively:
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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