Table Q2(c) shows the specification of three (3) amplifiers. Suggest the arrangement of all amplifiers in a cascaded form to produce the minimum total noise factor at the output. Justify your answer by calculating the total noise factor. (c) Table Q2(c): Amplifiers specification Amplifier A Noise Figure (dB) 6.5 3.0 Gain 20 dB 10 dB C 25 4.8

Power System Analysis and Design (MindTap Course List)
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ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
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Chapter12: Power System Controls
Section: Chapter Questions
Problem 12.3P
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Table Q2(c) shows the specification of three (3) amplifiers. Suggest the
arrangement of all amplifiers in a cascaded form to produce the minimum
total noise factor at the output. Justify your answer by calculating the total
noise factor.
(c)
Table Q2(c): Amplifiers specification
Amplifier
A
B
Gain
Noise Figure (dB)
20 dB
6.5
10 dB
3.0
25
4.8
Transcribed Image Text:Table Q2(c) shows the specification of three (3) amplifiers. Suggest the arrangement of all amplifiers in a cascaded form to produce the minimum total noise factor at the output. Justify your answer by calculating the total noise factor. (c) Table Q2(c): Amplifiers specification Amplifier A B Gain Noise Figure (dB) 20 dB 6.5 10 dB 3.0 25 4.8
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