Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Calculate the efficiency of a class B amplifier
for a supply of 15 V and an output of
Vm(peak)=10 V.
Select one:
a. 78.5%
b. 65.666%
c. 72.3666%
d. 52.37%
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Transcribed Image Text:Calculate the efficiency of a class B amplifier for a supply of 15 V and an output of Vm(peak)=10 V. Select one: a. 78.5% b. 65.666% c. 72.3666% d. 52.37%
You have an oscilloscope across R, and it
shows a sine signal voltage. WHAT type of
Class amplifier it is?
Vc
+20 V
R
1.2 kn
R
50 n
C2
R2
1.2 kn
Select one:
Class B
Class C
Class AB
Class A
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Transcribed Image Text:You have an oscilloscope across R, and it shows a sine signal voltage. WHAT type of Class amplifier it is? Vc +20 V R 1.2 kn R 50 n C2 R2 1.2 kn Select one: Class B Class C Class AB Class A
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