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A radio frequency receiver comprises the 3 main sub-systems, as shown in the diagram below: INPUT RF IF IF OUTPUT AMP AMP1 AMP2 Noise Figure F1= 6dB G1 = 10DB F2= 6.5dB G2= 20DB F3 = 6.5dB GAIN G3 = 30DB (1) Define the term noise figure; (ii) Calculate the overall noise figure of the above receiving system; (iii) If the input signal-to-noise power ratio (SNR) is 10 dB, calculate the output SNR (dB).

A radio frequency receiver comprises the 3 main sub-systems, as shown in the diagram below: INPUT RF IF IF OUTPUT AMP AMP1 AMP2 Noise Figure F1= 6dB G1 = 10DB F2= 6.5dB G2= 20DB F3 = 6.5dB GAIN G3 = 30DB (1) Define the term noise figure; (ii) Calculate the overall noise figure of the above receiving system; (iii) If the input signal-to-noise power ratio (SNR) is 10 dB, calculate the output SNR (dB).

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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A radio frequency receiver comprises the 3 main sub-systems, as shown in the diagram below: INPUT RF IF IF OUTPUT AMP AMP1 АMP2 Noise Figure F1= 6dB GAIN F2= 6.5dB G2= 20DB F3 = 6.5dB G1 = 10DB G3 = 30DB (i) Define the term noise figure; (ii) Calculate the overall noise figure of the above receiving system; (iii) If the input signal-to-noise power ratio (SNR) is 10 dB, calculate the output SNR (dB).
Transcribed Image Text:A radio frequency receiver comprises the 3 main sub-systems, as shown in the diagram below: INPUT RF IF IF OUTPUT AMP AMP1 АMP2 Noise Figure F1= 6dB GAIN F2= 6.5dB G2= 20DB F3 = 6.5dB G1 = 10DB G3 = 30DB (i) Define the term noise figure; (ii) Calculate the overall noise figure of the above receiving system; (iii) If the input signal-to-noise power ratio (SNR) is 10 dB, calculate the output SNR (dB).
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