BJT and FET Frequency Response – Exercise – 1

11. Determine the lower cutoff frequency of this network.

(a) 15.8 Hz
(b) 46.13 Hz
(c) 238.73 Hz
(d) 1575.8 Hz

Answer
Answer : (c)
Explanation
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12. In the hybrid or Giacoletto model, which one of the following does rb include?

(a) Base spreading resistance
(b) Base contact
(c) Base bulk
(d) All of the above

Answer
Answer : (d)
Explanation
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13. The larger capacitive elements of the design will determine the ________ cutoff frequency.

(a) low
(b) mid
(c)
(d)

Answer
Answer : (a)
Explanation
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14. For the low-frequency response of a BJT amplifier, the maximum gain is where ________ .

(a) RB = 0
(b) RC = 0
(c)
(d)

Answer
Answer : (c)
Explanation
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15. Which of the low-frequency cutoffs determined by CS, CC, or CE will be the predominant factor in determining the low-frequency response for the complete system?

(a) lowest
(b) middle
(c) highest
(d) None of the above

Answer
Answer : (c)
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