ECE315_output_stages
Authored by Sameh Ibrahim
Engineering
University
Used 3+ times
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5 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Power amplifiers are needed to
drive small load resistance
increase the output resistance
deliver large current levels
deliver large voltage swings
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Emitter Followers are
Class B power amplifiers
Class A power amplifiers
Class AB power amplifiers
Class C power amplifiers
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following has the highest theoretical power efficiency?
Emitter Follower
Push-Pull Output Stage
Improved Pull-Pull Output Stage
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Replacing the PNP in a push-pull stage with a composite transistor (NPN assisted with a PNP) results in
lower output resistance
higher output resistance
lower input resistance
higher input resistance
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biasing an improved push-pull output stage requires
1 diode
2 diodes
3 diodes
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