(c) Consider the circuit shown in Figure Q4c. If the input voltage is Vin = 5...
A non-inverting amplifier using OP-amp is given in Figure Q4c. (8) Vout Vin 99 kN RL 1 kQ AoL = 10s Figure Q4c Amplifier has the following properties. Open loop gain is 105 Open loop output impedance is 40 N Open loop bandwidth is 10 Hz Then, calculate The closed loop voltage gain. The closed loop output impedance. The closed loop bandwidth. i) ii) iii)
The input voltage waveform (Vin) t in is shown below along with
the circuit. The voltage-controlled switch S1 closes when the
output voltage Vc (t) goes positive at t=0 and opens when Vc (t)
goes negative at t=5 µs. Assume that Vin(t) in has been at 10 V for
t<0 for a very long time..
3. (15 marks) The input voltage waveform Vin(t) is shown below along with the circuit. The voltage- controlled switch S, closes when the output voltage...
Exercise 12.13 Derive expressions for the voltage gain, input resistance, and output resistance of the common-gate amplifier shown in Figure 12.29, assuming that ra is an open circuit Answer The small-signal equivalent circuit is shown in Figure 12.30. A Rin 1/(gm 1/Rs); Ro = Rp. gmR/; +VDD С2 + RL Vo CL R + Vin v(t) -Vss W Ri Rp R 8mVgs Vo Rs Vin + v(t)
Exercise 12.13 Derive expressions for the voltage gain, input resistance, and output resistance...
3- For amplifier circuit shown in figure. If the input voltage, Vin = 20 mV peak-peak, what is the output voltage? A. 176 mV P-p B. 88mV p-p C. 48mVp-p D. 24 mVp-p JO-2.0 ms 1 loss 10 m 0.1 F > 100 M Page 3/8
1. Consider a series RLC circuit with input voltage source Vin and the output voltage V, taken as the resistor voltage. Assume the values are R = 10 kN, L = 10 mH, and C = 100 pF. a) Find the maximum output voltage and the frequency that it occurs. b) Determine the bandwidth and the quality factor and discuss the value of the quality factor.
1. Find the ratio of the output voltage to the input voltage, Vo/Vin, in the circuit shown. State your assumptions in using the ideal op-amp model. 15 k2 Vin 2. Find the output voltage Vo in the circuit shown assuming an ideal op-amp. State your assumptions in using the ideal op-amp model 15 k12 Vo . Find the voltage Vx and the output voltage Vo in the circuit shown assuming ideal op-amp 3 k2 1 V 6 kn 12 k2
Question 4: Figure 4 In the series-shunt feedback amplifier shown in Figure 4, the transistors are biased with ideal current-sources 1, 0.1mA, 12 1mA, the devices operate with VE0.7V and t = 100. The input signal V, has a zero DC component. Resistances are (a) If the open loop gain is large, what do you expect the closed-loop gain A, -V/V, to be? Give both an expression and its approximate value (b) Find the DC emitter current in each of...
EEET255 Electronics Page 4 of6 QUESTION 3: [25 marks] Figure 3 shows a feedback amplifier circuit R, is the source resistor, R is the feedback resistor and R, is the load resistor. The op-amp has an internal input resistance of R, an intemal output resistance R, and an internal gain of A Apply the "Systematic Analysis" method in this question. Figure 3 3.a State the feedback topology used in the amplifier circuit and which type of feedback amplifier is shown...
A MOSFET is wired as a common-source amplifier as shown below.
The input voltage vIN is the total of the source for
biasing the circuit at its operating point (vBIAS), and
a small signal ac source providing the signal that we want to
amplify (vin). The total output voltage is
vO.
a) Assume VDD = 5?, VIN = 2?, and ? = 4?Ω
in the circuit and the MOSFET parameters are K =
0.5??/?2, VTH 1?, and ? = 0.05V-1....
Q6: In the circuit shown in Figure-6, assume the initial conditions, i0-0 and v(0)-0.The input, Vin is a step voltage of 5V at t20. (i Draw the Laplace Transformed circuit of the network at t20. (i Find Laplace function, Vou s). (iii) Solve for Vourt) [61 2? 4? Vin-5u(t) 0.2F 0.5H v out Figure-6 4