งา Stage 1 AV R n1 R out 1 w V. in2 Stage 21 R R out Figure Q2

Electric Motor Control
10th Edition
ISBN:9781133702818
Author:Herman
Publisher:Herman
Chapter4: Symbols
Section: Chapter Questions
Problem 3SQ: What do the following abbreviations stand for? a. SPST b. SPDT c. DPST d. DPDT e. NO f. NC
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Question

What is the power gain in dB of the cascade arrangement shown in Figure Q2 on
the next page?
Input resistances of the two amplifiers and the load resistance are:

Rin1 = 1kiloohm , Rin2 = 100 kiloohm , RL = 10 kiloohm
The voltage gains for each stage are: A1 = 103, A2 = 100.
Output resistances of each stage can be ignored.

งา
Stage 1
AV
R
n1
R
out 1
w
V.
in2
Stage 21
R
R
out
Figure Q2
Transcribed Image Text:งา Stage 1 AV R n1 R out 1 w V. in2 Stage 21 R R out Figure Q2
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