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Electronic Devices - BJT Amplifiers

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