QUESTION 1-1 Determine the maximum operating frequency for the circuit in Fig. 1-1(a) when the output voltage appears as shown in Fig. 1-1(b). V1 = 2 V R1 = 8 V Rf = 80 Ω Vo (a) (b) Figure 1-1

QUESTION 1-2 Determine the maximum operating frequency for the circuit in Fig. 1-2 when slew rate, SR = 5.024 V/μs. V1 I1 = 100 mA Rf = 80 Ω Vo Figure 1-2

QUESTION 1-3 Find the CMRR and the maximum operating frequency for the circuit in Fig. 1-3 when Acm = 0.01, Rf = 80 Ω, R1 = 8 Ω, SR = 5.024 V/μs. Figure 1-3

QUESTION 1-4 Calculate the output voltage, Vo of an op-amp in Figure 1-3 at t = 5 ms when R1 = 2 Ω, R2 = 18 Ω, f = 50 Hz and Vs = 100 sin ωt mV. Figure 1-3

QUESTION 2-1 Refer to Figure 2-1, express the equation for output voltage of a summing amplifier is as follows: Figure 2-1

QUESTION 2-2 If a summing amplifier like the one in Figure 2-1 has the following values: Rf = 1 kΩ, R1 = R2 = R3 = 3 kΩ, V1 = 2 V, V2 = 1 V, and V3 = 6 V. Figure 2-1

QUESTION 2-3 Find the values of Upper Trigger Point (UTP) and Lower Trigger Point (LTP) of an inverting comparator with hysteresis if known that R1 = 0.5R2 and Vout max = ±15 V. Figure 2-1

QUESTION 2-4 The input of an integrator circuit is a square waveform of ± 8 V. If given the input resistance, R = 20 kΩ, permittivity of free space of the capacitor, εo = 8.85 x 10-12 C2/(N.m2), plate area, A = 100 mm and distance between two plates, d = 1 mm, calculate the rate of change in output voltage. Figure 2-1

QUESTION 3-1 Figure 2-4 shows a feedback amplifier. Given the gain without feedback, A = -140 and β = -0.2, and input impedance without feedback, Zi = 58 kΩ and output impedance without feedback, Zo = 87 kΩ. For voltage-shunt connections, calculate (a) the voltage gain with feedback, Af (b) the input impedance with feedback, Zif (c) the output impedance with feedback, Zof Figure 2-1

QUESTION 3-1 Figure 3-1