FET Amplifiers - General Questions (2)

Directions to Solve

FET Amplifiers - General Questions

Refer to this figure. If V_GS = –6 V, calculate the value of R_S that will provide this value.

mcq8_1007_1 (4)

A.	2.2 k
B.	1.2 k
C.	600 k
D.	100 k

Answer: Option B

Explanation:

No answer description available for this question.

10.

Refer to this Figure. If V_in was increased in amplitude a little, the signal voltage at the source of Q₂ would.

mcq8_1017_1 (4)

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

Answer: Option C

Explanation:

No answer description available for this question.

11.

Input resistance of a common-drain amplifier is

A.	RG \|\| RIN(gate).
B.	RG + RIN(gate).
C.	RG.
D.	RIN(gate).

Answer: Option A

Explanation:

No answer description available for this question.

12.

What limits the signal amplitude in an analog MOSFET switch?

A.	the switch input capacitance
B.	VGS(th)
C.	the switch's power handling
D.	VDS

Answer: Option B

Explanation:

No answer description available for this question.

13.

Calculate g_m and r_d if y_fs = 4 mS and y_os = 15 omega (3) S.

A.	4 mS, 66.7 k
B.	4 mS, 15 k
C.	66.7 k , 4 mS
D.	None of the above

Answer: Option A

Explanation:

No answer description available for this question.

14.

What is the range of g_m for JFETs?

A.	1 S to 10 S
B.	100 S to 1000 S
C.	1000 S to 5000 S
D.	10000 S to 100000

Answer: Option C

Explanation:

No answer description available for this question.

15.

CMOS digital switches use

A.	n-channel and p-channel D-MOSFETs in series.
B.	n-channel and p-channel D-MOSFETs in parallel.
C.	n-channel and p-channel E-MOSFETs in series.
D.	n-channel and p-channel E-MOSFETs in parallel.

Answer: Option C

Explanation:

No answer description available for this question.

16.

FET amplifiers provide ________.

A.	excellent voltage gain
B.	high input impedance
C.	low power consumption
D.	All of the above

Answer: Option D

Explanation:

No answer description available for this question.

FET Amplifiers - General Questions (2)

FET Amplifiers - General Questions

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