Reference no: EM132223660

Question 1. Consider the circuit of Figure P2-1 with R_i = 10 kΩ. and R_f. = 50 kΩ.
a. Determine the closed-loop voltage gain.
b. Determine the input impedance of the circuit.
c. Determine the ideal output impedance of the circuit
d. Determine the peak input voltage v_i(peak) for which linear operation is possible.
e. Determine the output voltage for each of the following values of input voltage: = v_i = 0 V, -1 V, 2 V, -3V, 4V

FIGURE P2-1

Question 2. consider the circuit of Figure P2-3 with R_i = 10Ω and R_f = 50 kΩ.
a. Determine the closed-loop voltage gain.
b. Determine the ideal input impedance of the circuit.
c. Determine the ideal output impedance of the circuit.
d. Determine the peak input voltage v_i(peak) for which linear operation is possible.
e. Determine the output voltage for each of the following values of input voltage: v_i = 0 V, -1 V, 2 V, -3V, 4V

Figure P2-3

Question 3.

For the circuit of Problem 2-1 with v_i = -2 V, assume that an external load R_L = 2kΩ is connected to the to the output. Determine the total op-amp output current.

Question 4.

Consider the circuit of Figure P2-7 with R = 1 kΩ.

a. Determine the transcondnetauce.
b. For v_i= 10 V, determine i_L for R_L = 500 Ω.
c. Repeat. (b) for RL = 1kΩ
d. Determine the maximum value of R_L for linear operation.

FIGURE P2-7

Question 5. Consider the circuit of Figure P2-8 with R = 5 kΩ.
a. Determine the transconductance.
b. For v_i = 2 V, determine i_L for R_L = 8 kΩ.
e. Repeat (b) for R_L= 16 kΩ.
d. Determine the m.aximurn value of R_L for linear operation,

FIGURE P2-8

Question 6. Consider the circuit of Figure P2-9 with R = 2 kΩ.
a. Determine the transconductance.
b. For v_i = 6 V, determine i_L for R_L, = 1.2 kΩ
c. Determine the maximum value of R_L, for linear operation.

FIGURE P2-9

Question 7. Consider the circuit of Figure P2-13 with R₁ = 2 kΩ and R₂ = 8 kΩ.

Determine the value of β.
b. For i_i= 0.6 mA and R_L, = 1 kΩ, verify linear operation.

c. Determine i_L for the condition of (b).

FIGURE P2-13

Question 8. Consider the circuit of Figure P2-15 with R_f = 100 kΩ, R₁ = 100 kΩ R₂ = 50 kΩ, and R₃ = 25 kΩ

a. Write an equation for v_o in terms of the three input voltages.
b. Determine V_o for v₁ = 10 V, v₂ = 3 V, and v₃ = -7 V.
c. Determine v_o, for v₁ = - 8 V, v₂ = -4 V, and v₃ = 5 V.

FIGURE P2-15

Question 9. The circuit of Figure P2-20 is a two-input noninverting linear combination circuit Show that the output voltage v_o, is given by

v_o = (R₃ + R₄)/(R₃(R₁ + R₂)) (R₂v₁ + R₁v₂)

FIGURE P2-20

Question 10. In a certain signal-processing system, it is necessary to combine and modify the levels of four signals, v₁, v₂, v₃, and v₄, The desired combination v_o is to be formed as follows,

v_v = 2v₁ + 5v₂ - 10v₃  -20v₄

The following requirements are imposed:
a. no more than 2 op-amps
b. R_in ≥, 10 kΩ at all inputs
c. all resistance values ≤ 500 kΩ
Design a circuit to rform the function.

It is desired to add four signets to form a composite signal v_o, as follows:.

v₀ = v₁ + v₂ + v₃ + v₄