Electronic Devices - BJT Amplifiers

Exercise :: BJT Amplifiers - General Questions

36. 

In a common-base amplifier, the input signal is connected to the

A. base.
B. collector.
C. emitter.
D. output.

Answer: Option C

Explanation:

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

37. 

Which of the following is (are) true to achieve a good overall voltage gain for the circuit?

A. The effect of Rs and RL must be considered as a product.
B. The effect of Rs and RL must be considered as a product and evaluated individually.
C. The effect of Rs and RL must be evaluated individually.
D. None of the above

Answer: Option B

Explanation:

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

38. 

To analyze the common-emitter amplifier, what must be done to determine the dc equivalent circuit?

A. leave circuit unchanged
B. replace coupling and bypass capacitors with opens
C. replace coupling and bypass capacitors with shorts
D. replace VCC with ground

Answer: Option B

Explanation:

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

39. 

For the common-emitter amplifier ac equivalent circuit, all capacitors are

A. effectively shorts.
B. effectively open circuits.
C. not connected to ground.
D. connected to ground.

Answer: Option A

Explanation:

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

40. 

Refer to this figure. If an emitter bypass capacitor was installed, determine the value of Rin(base).

A. 416
B. 5 k
C. 50 k
D. 500

Answer: Option A

Explanation:

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