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Bjt Amplifiers
Bjt Amplifiers
Exercise: Bjt Amplifiers
π Bjt Amplifiers
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Questions for: Bjt Amplifiers
________ can be applied to determine the response of the ac equivalent circuit.
A:
Mesh analysis
B:
Node analysis
C:
Thevenin's theorem
D:
All of the above
Answer:
D
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In an emitter-follower, the output voltage is ________ with the input voltage.
A:
45ΒΊ out of phase
B:
90ΒΊ out of phase
C:
180ΒΊ out of phase
D:
in phase
Answer:
D
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The peak value of the ac input signal is controlled by the ________ in a transistor network for the frequencies in the low to midrange.
A:
resistors
B:
applied dc voltage
C:
capacitors
D:
None of the above
Answer:
B
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For transistor amplifiers, the no-load voltage gain is ________ the loaded voltage gain.
A:
smaller than
B:
greater than
C:
the same as
D:
None of the above
Answer:
B
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________ refers to the forward transfer current ratio.
A:
h
i
B:
h
r
C:
h
f
D:
h
o
Answer:
C
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