Electronic Devices - BJT Amplifiers

Exercise : BJT Amplifiers - Filling the Blanks
21.
The output voltage and the input voltage are ________ for the common-base configuration.
45º out of phase
90º out of phase
180º out of phase
in phase
Answer: Option
Explanation:
No answer description is available. Let's discuss.

22.
A common-base configuration has ________ impedance at the input and ________ impedance at the output.
high, high
high, low
low, low
low, high
Answer: Option
Explanation:
No answer description is available. Let's discuss.

23.
In a common-emitter configuration ________ is the controlling current while ________ is the controlled current.
IC, IB
IC, IE
IB, IC
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

24.
For the common-emitter and common-base configurations, the magnitude of ________ and ________ is often not included in the model.
hr, ho
hi, he
hi, hr
he, ho
Answer: Option
Explanation:
No answer description is available. Let's discuss.

25.
An emitter-follower has ________ impedance at the input and ________ impedance at the output.
high, high
low, high
high, low
low, low
Answer: Option
Explanation:
No answer description is available. Let's discuss.