Electronic Devices - BJT Amplifiers

Exercise :: BJT Amplifiers - General Questions

11. 

An emitter-follower is also known as a

A. common-emitter amplifier.
B. common-base amplifier.
C. common-collector amplifier.
D. Darlington pair.

Answer: Option C

Explanation:

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12. 

The ________ model fails to account for the output impedance level of the device and the feedback effect from output to input.

A. hybrid equivalent
B. re
C.
D. Thevenin

Answer: Option B

Explanation:

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13. 

Refer to this figure. Calculate the value of VB.

A. 5 V
B. 3.7 V
C. 20 V
D. 3 V

Answer: Option B

Explanation:

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14. 

You have a need to apply an amplifier with a very high power gain. Which of the following would you choose?

A. common-collector
B. common-base
C. common-emitter
D. emitter-follower

Answer: Option C

Explanation:

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15. 

What is the voltage gain of a feedback pair connection?

A. 1
B. –1
C. 100
D. –100

Answer: Option A

Explanation:

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