Consider the common emitter amplifier shown below with the following circuit parameters: β = 100, gm = 0.3861 A/V, r0 = ∞ rp = 259 Ω, Rs = 1 kΩ, RB = 93 kΩ, RC = 250 Ω, RL = 1 kW, C1 = ∞ and C2 = 4.7mF.The resistance seen by the source Vs is-A-258 ΩB-1258 ΩC-93 kΩD-∞-B-1258 Ω

Question

Consider the common emitter amplifier shown below with the following circuit parameters: β = 100, gm = 0.3861 A/V, r0 = ∞ rp = 259 Ω, Rs = 1 kΩ, RB = 93 kΩ, RC = 250 Ω, RL = 1 kW, C1 = ∞ and C2 = 4.7mF.The resistance seen by the source Vs is-A-258 &Omega;B-1258 &Omega;C-93 k&Omega;D-&infin;-B-1258 &Omega;

APTITUDE CRACK · Accepted Answer

B 1258 &Omega;  Zs = Rs + (RB || Brs) rc = 2.475 = 1.258 kV

Exam Questions Papers - Engineering

Consider the common emitter amplifier shown below with the following circuit parameters: β = 100, g_m = 0.3861 A/V, r₀ = ∞ r_p = 259 Ω, R_s = 1 kΩ, R_B = 93 kΩ, R_C = 250 Ω, R_L = 1 kW, C₁ = ∞ and C₂ = 4.7mF.

The resistance seen by the source Vs is

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Exam Questions Papers - Engineering

Consider the common emitter amplifier shown below with the following circuit parameters: β = 100, gm = 0.3861 A/V, r0 = ∞ rp = 259 Ω, Rs = 1 kΩ, RB = 93 kΩ, RC = 250 Ω, RL = 1 kW, C1 = ∞ and C2 = 4.7mF.The resistance seen by the source Vs is

Solution

For help Students Orientation Mcqs Questions

Consider the common emitter amplifier shown below with the following circuit parameters: β = 100, g_m = 0.3861 A/V, r₀ = ∞ r_p = 259 Ω, R_s = 1 kΩ, R_B = 93 kΩ, R_C = 250 Ω, R_L = 1 kW, C₁ = ∞ and C₂ = 4.7mF.

The resistance seen by the source Vs is

For help Students Orientation
Mcqs Questions