FET Amplifiers – Exercise – 1

FET Amplifiers » Exercise – 1

1. The range of input impedance Zi for MOSFETs is ________.

(a) 1 k–10 k
(b) 100 k–1 M
(c) 10 M–100 M
(d) 1012 to 1015

Answer
Answer : (d)
Explanation
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2. The range of output admittance yos for FETs is ________.

(a) 5 S–10 S
(b) 10 S –50 S
(c) 50 S –100 S
(d) 200 S –500 S

Answer
Answer : (b)
Explanation
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3. The ________ configuration has the distinct disadvantage of requiring two dc voltage sources.

(a) self-bias
(b) voltage-divider
(c) fixed-bias
(d) All of the above

Answer
Answer : (c)
Explanation
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4. Nota

5. The steeper the slope of the ID versus VGS curve, the ________ the level of gm.

(a) less
(b) same
(c)
(d)

Answer
Answer : (c)
Explanation
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