Electronic Devices - BJT Amplifiers

Exercise :: BJT Amplifiers - Filling the Blanks

6. 

The input and output signals are ________ for the typical transistor amplifier at frequencies that permit ignoring the effects of the reactive elements.

A. in phase
B. 180º out of phase
C. either in phase or 180º out of phase
D. None of the above

Answer: Option C

Explanation:

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7. 

________ is slightly affected if the condition ro 10RE is not satisfied in the analysis of an emitter-follower configuration.

A. Zi
B. Zo
C. Av
D. Ai

Answer: Option C

Explanation:

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8. 

The dc load line and ac load line both have the same ________ .

A. x-intercept
B. y-intercept
C. slope
D. Q-point

Answer: Option D

Explanation:

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9. 

The ________ the level of RL, the ________ the level of ac voltage gain.

A. smaller, higher
B. larger, lower
C. smaller, lower
D. None of the above

Answer: Option C

Explanation:

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10. 

The coupling capacitor places the load and collector resistors in a ________ arrangement.

A. series
B. parallel
C. series-parallel
D. None of the above

Answer: Option B

Explanation:

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