Electronic Devices - BJT Amplifiers

Exercise :: BJT Amplifiers - Filling the Blanks

31. 

The bypass capacitor in a common-emitter configuration ________ the voltage gain.

A. significantly decreases
B. significantly increases
C. slightly increases
D. slightly decreases

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

32. 

The loaded voltage gain of an amplifier is ________ the no-load level.

A. always more than
B. always less than
C. always the same as
D. None of the above

Answer: Option B

Explanation:

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33. 

The common-emitter configuration has a ________ level of input impedance with a ________ voltage and current gain.

A. moderate, high
B. low, moderate
C. low, low
D. high, low

Answer: Option A

Explanation:

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34. 

For a common-base configuration, the input impedance is relatively ________ and the output impedance quite ________.

A. high, small
B. small, high
C. small, small
D. high, high

Answer: Option B

Explanation:

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35. 

The output voltage and the input voltage are ________ for the common-emitter configuration.

A. in phase
B. 45º out of phase
C. 90º out of phase
D. 180º out of phase

Answer: Option D

Explanation:

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