Find the value for the feedback function B

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Reference no: EM132333605

Assignment -

Question 1 - For the circuit shown in Figure 1, where VA = ∞ volts for Q₁ and Q₂ and the βQ1 = 100, βQ2 = 85 and the input signal is at medium high frequencies.

a. Find Δv, Zin, Δi, Zo.

b. Vsal(t), if Vent(t) = 0.02sen ωt volts.

Question 2 - For the circuit shown in Figure 2. Assume that RπQ1 ≅ RπQ2 ≅ RπQ3 = 2.5K? and that in the graphs of these transistors the curves of I_b are parallel to the axis of Vce.

a. Find the value for the feedback function B = Vf / iE3.

Note that RF is much higher than the value of RE1 y RE2.

b. Determine the gain of the amplifier Δ = Vsal/Vent.

Reference no: EM132333605

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