A cascaded amplifiers and their respective gains and noise figures are shown in Figure Q2(c). Compare the overall noise figure in this current arrangement and with the new arrangement when Amplifier B and C are interchanged. A B

A cascaded amplifiers and their respective gains and noise figures are shown in Figure Q2(c). Compare the overall noise figure in this current arrangement and with the new arrangement when Amplifier B and C are interchanged. A B

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.3P

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A cascaded amplifiers and their respective gains and noise
figures are shown in Figure Q2(c). Compare the overall noise
figure in this current arrangement and with the new arrangement
when Amplifier B and C are interchanged.
A
B
C
Figure Q2(c)
Amplifier A Amplifier B
Amplifier C
Gain (dB)
Noise Figure (dB)
6
12
20
2.3
3.0
6.0

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