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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 13
11.
FET can used in
buffer amplifier circuits
cascade amplifier circuits
digital circuits
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The circuit in figure is
CE amplifier
CB amplifier
Constant voltage source
Constant current source
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Each of two cascaded stages has a voltage gain of 30. The overall gain is
3
9
30
900
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
A two stage amplifier has an upper cutoff frequency of 2 MHz and a lower cutoff frequency of 2 MHz and a lower cut off frequency of 30 Hz. If both stages are similar, their individual upper and lower cut off frequencies respectively are
4 MHz and 60 MHz
3 MHz and 20 Hz
3 MHz and 60 Hz
4 MHz and 20 Hz
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
A bipolar transistor is a __________ controlled devices whereas a FET is a __________ controlled devices.
current, voltage
current, current
voltage, current
voltage, voltage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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