Exercise: Amplifier Frequency Response

Questions for: Amplifier Frequency Response

Refer to this figure. The capacitor Cbe affects

A:
high-frequency response.
B:
low-frequency response.
C:
midrange response.
D:
nothing.
Answer: A
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The frequency response of an amplifier can be determined using the step response method, and measuring the output rise/fall times between
A:
0% and 100% response.
B:
10% and 90% response.
C:
25% and 75% response.
D:
five time constant responses.
Answer: B
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An amplifier has an output voltage of 7.6 V p-p at the midpoint of the frequency range. What is the output at fc?
A:
3.8 V p-p
B:
3.8 Vrms
C:
5.4 Vrms
D:
5.4 V p-p
Answer: D
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A ten-times change in frequency is called a(n)
A:
octave.
B:
decade.
C:
decimal.
D:
none of the above
Answer: B
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For low-frequency response, all RC circuits in an amplifier may not have the same critical frequency. Which RC response will determine the critical frequency of the amplifier?
A:
the lowest frequency
B:
the center frequency
C:
the highest frequency
D:
the bypass frequency
Answer: C
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