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7. A device has an input signal-to-noise ratio of 200 and an output signal-to-noise ratio of 7. What is the noise figure? a. 28.57 dB b. 14.56 dB c. 29.12 dB d. - 14.56 dB Page 1 3 +

7. A device has an input signal-to-noise ratio of 200 and an output signal-to-noise ratio of 7. What is the noise figure? a. 28.57 dB b. 14.56 dB c. 29.12 dB d. - 14.56 dB Page 1 3 +

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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please assist with question 7 with details on how to do it. Thank you. 

5. The noise power is 41 mW and the signal power is 118mW. What is the signal-to-noise ratio? a.-9.3 dB b. 4.59 dB c. 9.18 dB d. 20.7 dB 6. The input signal to noise ratio is 9.18 dB and the output is 3.4 dB. What is the noise figure? a. 3.4 dB b. 4.31 dB c. 5.78 dB d. 9.18 dB 7. A device has an input signal-to-noise ratio of 200 and an output signal-to-noise ratio of 7. What is the noise figure? a. 28.57 dB b. 14.56 dB c. 29.12 dB d. - 14.56 dB Page 1 3 +
Transcribed Image Text:5. The noise power is 41 mW and the signal power is 118mW. What is the signal-to-noise ratio? a.-9.3 dB b. 4.59 dB c. 9.18 dB d. 20.7 dB 6. The input signal to noise ratio is 9.18 dB and the output is 3.4 dB. What is the noise figure? a. 3.4 dB b. 4.31 dB c. 5.78 dB d. 9.18 dB 7. A device has an input signal-to-noise ratio of 200 and an output signal-to-noise ratio of 7. What is the noise figure? a. 28.57 dB b. 14.56 dB c. 29.12 dB d. - 14.56 dB Page 1 3 +
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