Ex 4.10: Consider the circuit shown in Figure 4.35 with circuit parame

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Ex 4.10: Consider the circuit shown in Figure 4.35 with circuit parameters V+ = 5 V, V− = −5 V, RS = 4 kΩ, RD = 2 kΩ, RL = 4 kΩ and RG = 50 kΩ. The transistor parameters are: Kp = 1 mA/V2, VTP = −0.8 V, and λ = 0. Draw the small-signal equivalent circuit, determine the small-signal voltage gain Av = Vo/Vi, and find the input resistance Ri. (Ans. Av = 2.41, Ri = 0.485 kΩ)

Ex 4.10: Consider the circuit shown in Figure 4.35 with circuit parameters V+ = 5 V, V− = −5 V, RS = 4 kΩ, RD = 2 kΩ, RL = 4 kΩ and RG = 50 kΩ. The transistor parameters are: Kp = 1 mA/V2, VTP = −0.8 V, and λ = 0. Draw the small-signal equivalent circuit, determine the small-signal voltage gain Av = Vo/Vi, and find the input resistance Ri. (Ans. Av = 2.41, Ri = 0.485 kΩ)

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Ex 4.10: Consider the circuit shown in Figure 4.35 with circuit parameters

V^{+} = 5 V, V^{-} = - 5 V, R_{S} = 4 k Ω, R_{D} = 2 k Ω, R_{L} = 4 k Ω

and

R_{G} = 50 k Ω

. The transistor parameters are:

K_{p} = 1 m A / V^{2}, V_{T P} = - 0.8 V

, and

λ = 0

. Draw the small-signal equivalent circuit, determine the small-signal voltage gain

A_{v} =

V_{o} / V_{i}

, and find the input resistance

R_{i}

. (Ans.

A_{v} = 2.41, R_{i} = 0.485 k Ω

)

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