FET Amplifiers – 70

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70. What is the input resistance (Rin(source)) of a common-gate amplifier?

(a) Rs
(b)
(c) 1 / gm
(d) none of the above

Answer

Answer : (c)

Explanation

Explanation : No answer description available for this question. Let us discuss.

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FET Amplifiers - 71
555555555571. What common factor determines the voltage gain and input resistance of a common-gate amplifier? (a) RD (b) RL (c) (d)
Tags: fet, amplifiers, input, resistance, common-gate, amplifier, electronics, engineering
FET Amplifiers - 7
55555555557. What is the range of gm 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 S
Tags: fet, amplifiers, gm, electronics, engineering
FET - 127
5555555555127. What is the range of an FET's input impedance? (a) 10 to 1 k (b) 1 k to 10 k (c) 50 k to 100 k (d) 1 M to several hundred M
Tags: fet, input, electronics, engineering
FET Amplifiers - 81
555555555581. gm has its maximum value for a JFET at ________. (a) (b) 0.5 (c) 0.3 (d) IDSS
Tags: fet, amplifiers, gm, electronics, engineering
FET - 146
5555555555146. Which of the following input impedances is not valid for a JFET? (a) 1010 (b) 109 (c) 108 (d) 1011
Tags: fet, input, electronics, engineering

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