Electronic Devices - BJT Amplifiers
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Exercise"To err is human; to forgive, divine."
- Alexander Pope
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| 26. |
Which of the following represent(s) the advantage(s) of the system approach over the r-model approach? |
| A. |
Thevenin's theorem can be used. | | B. |
The effect of changing the load can be determined by a simple equation. | | C. |
There is no need to go back to the ac equivalent model and analyze the entire network. | | D. |
All of the above |
Answer: Option E
Explanation:
No answer description available for this question. Let us discuss.
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| 27. |
The differential amplifier has |
| A. |
one input and one output. | | B. |
two inputs and two outputs. | | C. |
two inputs and one output. | | D. |
one input and two outputs. |
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
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| 28. |
The emitter-follower configuration has a ________ impedance at the input and a ________ impedance at the output. |
| A. |
low, low | | B. |
low, high | | C. |
high, low | | D. |
high, high |
Answer: Option B
Explanation:
No answer description available for this question. Let us discuss.
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| 29. |
The differential amplifier produces outputs that are |
| A. |
common mode. | | B. |
in-phase with the input voltages. | | C. |
the sum of the two input voltages. | | D. |
the difference of the two input voltages. |
Answer: Option B
Explanation:
No answer description available for this question. Let us discuss.
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| 30. |
The ________ model suffers from being limited to a particular set of operating conditions if it is to be considered accurate. |
Answer: Option B
Explanation:
No answer description available for this question. Let us discuss.
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