FET Amplifiers – Exercise – 2

56. Nota

57. Input resistance of a common-drain amplifier is

(a) RG || RIN(gate).
(b) RG + RIN(gate).
(c) RG.
(d) RIN(gate).

Answer

Answer : (a)

Explanation

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Discuss

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58. Nota

59. Nota

60. Nota

FET Amplifiers - 88
555555555588. The ________ configuration has an input impedance, which is other than RG. (a) common-source (b) common-gate (c) common-drain (d) None of the above
Tags: fet, amplifiers, configuration, input, rg, common-source, common-gate, common-drain, electronics, engineering
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, voltage, input, resistance, common-gate, amplifier, electronics, engineering
FET Amplifiers - 31
555555555531. The isolation between input and output circuits in the ac equivalent circuit is lost in a ________ configuration. (a) common-gate (b) common-source (c) common-drain (d) None of the above
Tags: fet, amplifiers, input, output, configuration, common-gate, common-source, common-drain, electronics, engineering
FET Amplifiers - 70
555555555570. What is the input resistance (Rin(source)) of a common-gate amplifier? (a) Rs (b) (c) 1 / gm (d) none of the above
Tags: fet, amplifiers, input, resistance, common-gate, amplifier, gm, electronics, engineering
FET Amplifiers - 87
555555555587. The depletion MOSFET circuit has a ________ input impedance than a similar JFET configuration. (a) much higher (b) much lower (c) lower (d) higher
Tags: lower, higher, fet, amplifiers, mosfet, input, jfet, configuration, electronics, engineering

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