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Q3/ Consider a satellite receiver as shown in the figure below, if the operating frequency is 4GHz and the noise figure for each block is: Fin 0.69 dB, Frf = 1dB, Fm = 4.48 dB, Fir= 7.9 dB and T₁ = 290 Kº RF amp. GR = 20dB OSC mixer GM = 10dB IF amp. GIF = 30dB

Q3/ Consider a satellite receiver as shown in the figure below, if the operating frequency is 4GHz and the noise figure for each block is: Fin 0.69 dB, Frf = 1dB, Fm = 4.48 dB, Fir= 7.9 dB and T₁ = 290 Kº RF amp. GR = 20dB OSC mixer GM = 10dB IF amp. GIF = 30dB

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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Q3/ Consider a satellite receiver as shown in the figure below, if the operating frequency is 4GHz and the noise figure for each block is: Fin = 0.69 dB, Frf = 1dB, Fm = 4.48 dB, Fir= 7.9 dB and T₁ = 290 Kº RF amp. IF amp. mixer GRF = 20dB GM = 10dB GIF = 30dB OSC a) Find the total system noise temperature b) If a section of a lossy wave guide with losses of 2.5 dB and noise temperature TwG=(1-GwG)To is added between the receiving antenna and the RF amplifier, find the new system noise temperature.
Transcribed Image Text:Q3/ Consider a satellite receiver as shown in the figure below, if the operating frequency is 4GHz and the noise figure for each block is: Fin = 0.69 dB, Frf = 1dB, Fm = 4.48 dB, Fir= 7.9 dB and T₁ = 290 Kº RF amp. IF amp. mixer GRF = 20dB GM = 10dB GIF = 30dB OSC a) Find the total system noise temperature b) If a section of a lossy wave guide with losses of 2.5 dB and noise temperature TwG=(1-GwG)To is added between the receiving antenna and the RF amplifier, find the new system noise temperature.
Values of Q(x) for 0≤x≤9 I Q(x) I I 0.00 Q(x) I 2.30 Q(x) 5.231x10-12 3.6925x10-12 2.1125x10-6 6.85 0.010724 4.55 2.6823x10-6 6.80 0.0093867 4.60 0.0081975 4.65 1.6597x10-6 0.0071428 4.70 1.3008x10-6 1.0171x10-6 6.90 2.6001x10-12 6.95 1.8264x10-12 7.00 1.2798x10-12 7.9333x10-7 7.05 8.9459x10-13 6.1731x10-7 7.10 6.2378x10-13 4.7918x10-7 7.15 4.3389x10-13 4.95 3.7107x10-7 7.20 3.0106x10-13 2.8665x10-7 7.25 2.0839x10-13 2.2091×10-7 7.30 1.4388x10-13 1.6983x10-7 7. 9.9103x10-14 1.3024x10-7 7.40 6.8092x10-14 9.9644x10-8 7.45 4.667x10-14 7.605x10-8 7.50 3.1909x10-14 5.30 5.7901x10-8 7.55 2.1763x10-14 4.3977x10-8 7.60 1.4807x10-14 3.332x10-8 7.65 1.0049x10-14 2.5185x10-8 7.70 6.8033x10-15 1.899x10-8 7.75 4.5946x10-15 1.4283x10-8 7.80 3.0954x10-15 1.0718x10-8 7.85 2.0802x10-15 8.0224×10-9 7.90 1.3945x10-15 5.9904×10-9 7.95 9.3256x10-16 4.4622x10-9 8.00 6.221x10-16 3.3157x10-9 8.05 4.1397x10-16 2.4579x10-9 8.10 2.748x10-16 1.8175x10-9 8.15 1.8196x10-16 1.3407x10-9 1.2019x10-16 9.8659x10-10 8.25 7.9197x10-1 7.2423x10-10 8.30 5.2056x10-17 5.3034x10-10 8.35 3.4131x10-17 3.8741x10-10 8.40 2.2324x10-17 2.8232x10-10 8.45 1.4565x10-17 3.1671x10-5 6.25 2.0523x10-10 8.50 9.4795x10-18 2.5609x10-5 6.30 1.4882x10-10 8.55 6.1544x10-18 2.0658x10-5 6.35 1.0766x10-10 8.60 3.9858x10-18 1.6624x10-5 6.40 7.7688x10-11 8.65 2.575x10-18 1.3346x10-5 6.45 5.5925x10-11 8.70 1.6594x10-18 1.0689x10-5 6.50 4.016x10-11 8.75 1.0668x10-18 8.5399x10-6 6.55 2.8769x10-11 6.8069x10-6 6.60 2.0558x10-11 8.85 5.4125x10-6 6.65 1.4655x10-11 8.90 2.7923x10-19 4.2935x10-6 6.70 1.0421x10-¹1 8.95 1.7774x10-19 2.20 0.013903 4.50 3.3977x10-6 6.75 7.3923x10-12 9.00 1.1286x10-19 Q(x) 0.5 0.05 0.48006 2.35 0.10 0.46017 2.40 0.15 0.44038 2.45 0.20 0.42074 2.50 0.0062097 4.75 0.25 0.40129 2.55 0.0053861 4.80 0.30 0.38209 2.60 0.0046612 4.85 0.35 0.36317 2.65 0.0040246 4.90 0.40 0.34458 2.70 0.003467 0.45 0.32636 2.75 0.0029798 5.00 0.50 0.30854 2.80 0.0025551 5.05 0.55 0.29116 2.85 0.002186 5.10 0.60 0.27425 2.90 0.0018658 5.15 0.65 0.25785 2.95 0.0015889 5.20 0.70 0.24196 3.00 0.0013499 5.25 0.75 0.22663 3.05 0.0011442 0.80 0.21186 3.10 0.0009676 5.35 0.85 0.19766 3.15 0.00081635 5.40 0.90 0.18406 3.20 0.00068714 5.45 0.95 0.17106 3.25 0.00057703 5.50 1.00 0.15866 3.30 0.00048342 5.55 1.05 0.14686 3.35 0.00040406 5.60 1.10 0.13567 3.40 0.00033693 5.65 1.15 0.12507 3.45 0.00028029 5.70 1.20 0.11507 3.50 0.00023263 5.75 1.25 0.10565 3.55 0.00019262 5.80 1.30 0.0968 3.60 0.00015911 5.85 1.35 0.088508 3.65 0.00013112 5.90 1.40 0.080757 3.70 0.0001078 5.95 1.45 0.073529 3.75 1.50 0.066807 3.80 0.060571 3.85 8.20 1.55 8.8417x10-5 6.00 7.2348x10-5 6.05 5.9059x10-5 6.10 4.8096x10-5 6.15 3.9076x10-5 6.20 1.60 0.054799 3.90 1.65 0.049471 3.95 1.70 0.044565 4.00 1.75 0.040059 4.05 1.80 0.03593 4.10 1.85 0.032157 4.15 1.90 0.028717 4.20 1.95 0.025588 4.25 2.00 0.02275 4.30 2.05 0.020182 4.35 2.10 0.017864 4.40 8.80 6.8408x10-19 4.376x10-19 2.15 0.015778 4.45 2.25 0.012224
Transcribed Image Text:Values of Q(x) for 0≤x≤9 I Q(x) I I 0.00 Q(x) I 2.30 Q(x) 5.231x10-12 3.6925x10-12 2.1125x10-6 6.85 0.010724 4.55 2.6823x10-6 6.80 0.0093867 4.60 0.0081975 4.65 1.6597x10-6 0.0071428 4.70 1.3008x10-6 1.0171x10-6 6.90 2.6001x10-12 6.95 1.8264x10-12 7.00 1.2798x10-12 7.9333x10-7 7.05 8.9459x10-13 6.1731x10-7 7.10 6.2378x10-13 4.7918x10-7 7.15 4.3389x10-13 4.95 3.7107x10-7 7.20 3.0106x10-13 2.8665x10-7 7.25 2.0839x10-13 2.2091×10-7 7.30 1.4388x10-13 1.6983x10-7 7. 9.9103x10-14 1.3024x10-7 7.40 6.8092x10-14 9.9644x10-8 7.45 4.667x10-14 7.605x10-8 7.50 3.1909x10-14 5.30 5.7901x10-8 7.55 2.1763x10-14 4.3977x10-8 7.60 1.4807x10-14 3.332x10-8 7.65 1.0049x10-14 2.5185x10-8 7.70 6.8033x10-15 1.899x10-8 7.75 4.5946x10-15 1.4283x10-8 7.80 3.0954x10-15 1.0718x10-8 7.85 2.0802x10-15 8.0224×10-9 7.90 1.3945x10-15 5.9904×10-9 7.95 9.3256x10-16 4.4622x10-9 8.00 6.221x10-16 3.3157x10-9 8.05 4.1397x10-16 2.4579x10-9 8.10 2.748x10-16 1.8175x10-9 8.15 1.8196x10-16 1.3407x10-9 1.2019x10-16 9.8659x10-10 8.25 7.9197x10-1 7.2423x10-10 8.30 5.2056x10-17 5.3034x10-10 8.35 3.4131x10-17 3.8741x10-10 8.40 2.2324x10-17 2.8232x10-10 8.45 1.4565x10-17 3.1671x10-5 6.25 2.0523x10-10 8.50 9.4795x10-18 2.5609x10-5 6.30 1.4882x10-10 8.55 6.1544x10-18 2.0658x10-5 6.35 1.0766x10-10 8.60 3.9858x10-18 1.6624x10-5 6.40 7.7688x10-11 8.65 2.575x10-18 1.3346x10-5 6.45 5.5925x10-11 8.70 1.6594x10-18 1.0689x10-5 6.50 4.016x10-11 8.75 1.0668x10-18 8.5399x10-6 6.55 2.8769x10-11 6.8069x10-6 6.60 2.0558x10-11 8.85 5.4125x10-6 6.65 1.4655x10-11 8.90 2.7923x10-19 4.2935x10-6 6.70 1.0421x10-¹1 8.95 1.7774x10-19 2.20 0.013903 4.50 3.3977x10-6 6.75 7.3923x10-12 9.00 1.1286x10-19 Q(x) 0.5 0.05 0.48006 2.35 0.10 0.46017 2.40 0.15 0.44038 2.45 0.20 0.42074 2.50 0.0062097 4.75 0.25 0.40129 2.55 0.0053861 4.80 0.30 0.38209 2.60 0.0046612 4.85 0.35 0.36317 2.65 0.0040246 4.90 0.40 0.34458 2.70 0.003467 0.45 0.32636 2.75 0.0029798 5.00 0.50 0.30854 2.80 0.0025551 5.05 0.55 0.29116 2.85 0.002186 5.10 0.60 0.27425 2.90 0.0018658 5.15 0.65 0.25785 2.95 0.0015889 5.20 0.70 0.24196 3.00 0.0013499 5.25 0.75 0.22663 3.05 0.0011442 0.80 0.21186 3.10 0.0009676 5.35 0.85 0.19766 3.15 0.00081635 5.40 0.90 0.18406 3.20 0.00068714 5.45 0.95 0.17106 3.25 0.00057703 5.50 1.00 0.15866 3.30 0.00048342 5.55 1.05 0.14686 3.35 0.00040406 5.60 1.10 0.13567 3.40 0.00033693 5.65 1.15 0.12507 3.45 0.00028029 5.70 1.20 0.11507 3.50 0.00023263 5.75 1.25 0.10565 3.55 0.00019262 5.80 1.30 0.0968 3.60 0.00015911 5.85 1.35 0.088508 3.65 0.00013112 5.90 1.40 0.080757 3.70 0.0001078 5.95 1.45 0.073529 3.75 1.50 0.066807 3.80 0.060571 3.85 8.20 1.55 8.8417x10-5 6.00 7.2348x10-5 6.05 5.9059x10-5 6.10 4.8096x10-5 6.15 3.9076x10-5 6.20 1.60 0.054799 3.90 1.65 0.049471 3.95 1.70 0.044565 4.00 1.75 0.040059 4.05 1.80 0.03593 4.10 1.85 0.032157 4.15 1.90 0.028717 4.20 1.95 0.025588 4.25 2.00 0.02275 4.30 2.05 0.020182 4.35 2.10 0.017864 4.40 8.80 6.8408x10-19 4.376x10-19 2.15 0.015778 4.45 2.25 0.012224
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