FET Amplifiers - General Questions (7)

Directions to Solve

FET Amplifiers - General Questions

49.

Referring to this figure, find Z_o if y_os = 20 mu 1 S.

mcq08_02000

A.	1.85 k
B.	1.92 k
C.	2.05 k
D.	2.15 k

Answer: Option B

Explanation:

No answer description available for this question.

50.

Refer to this figure. If C₄ opened, the signal voltage at the drain of Q₁ would

mcq8_1017_1 (1)

A.	increase.
B.	decrease.
C.	remain the same.
D.	distort.

Answer: Option C

Explanation:

No answer description available for this question.

51.

There is a ________º phase inversion between gate and source in a source follower.

A.	0
B.	90
C.	180
D.	none of the above

Answer: Option A

Explanation:

No answer description available for this question.

52.

What is the input resistance (R_in(source)) of a common-gate amplifier?

A.	Rs
B.
C.	1 / gm
D.	none of the above

Answer: Option C

Explanation:

No answer description available for this question.

53.

An FET is a ________-controlled device.

A.	current
B.	voltage

Answer: Option B

Explanation:

No answer description available for this question.

54.

What is (are) the function(s) of the coupling capacitors C₁ and C₂ in an FET circuit?

A.	to create an open circuit for dc analysis
B.	to isolate the dc biasing arrangement from the applied signal and load
C.	to create a short-circuit equivalent for ac analysis
D.	All of the above

Answer: Option D

Explanation:

No answer description available for this question.

55.

The class D amplifier uses what type of transistors?

A.	JFETs
B.	BJTs
C.	MOSFETs
D.	any of the above

Answer: Option C

Explanation:

No answer description available for this question.

56.

Where do you get the level of g_m and r_d for an FET transistor?

A.	from the dc biasing arrangement
B.	from the specification sheet
C.	from the characteristics
D.	All of the above

Answer: Option D

Explanation:

No answer description available for this question.

FET Amplifiers - General Questions (7)

FET Amplifiers - General Questions

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