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Electronic Devices - FET Amplifiers

Exercise : FET Amplifiers - General Questions
46.

Refer to this figure. If gm = 4000 mS and a signal of 75 mV rms is applied to the gate, calculate the p-p output voltage.

990 mV
1.13 V p-p
2.8 V p-p
990 V p-p
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.

Refer to this figure. The approximate value of Rin is

100 M.
1.5 k.
3.3 k.
48 M.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Which of the following is (are) related to depletion-type MOSFETs?
can be negative, zero, or positive.
gm can be greater or smaller than gm0.
ID can be larger than IDSS.
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.

Refer to this figure. If C2 shorted, Vout would

increase.
decrease.
remain the same.
distort.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
The input resistance at the gate of a FET is extremely
high.
low.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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