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Problem 1130 pts 1. [12 pts] For the circuit shown in Fig. 1, istance Rm when the switch is open. What type of voltage gain Vo/Vin and the input resistance Rin when the switch is close. What type of...
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...
For the following circuits, find out the type of the amplifier, the voltage gain, Av, and its related input resistance, rin and output resistance rout- M1 B1 M1 M2 M1 IN B1 rout rout VOUT VOUT VOUT rout Q3 Q2 B1 VIN VIN M1 Vai B1 M1 B1 M2 VOUT rin VOUT Q2 VIN Q3 For the following circuits, find out the type of the amplifier, the voltage gain, Av, and its related input resistance, rin and output resistance rout-...
4. For the oscillator circuit shown below, the amplifier is an with trans-resistance gain Rm Vo frequency of oscillator and minimum trans-resistance gan (15pts) (Hint: ideal tr short the input terminal to ground) ideal trans-resistance amplifier out /I. Apply the Barkhausen criterion to determine the Rm needed f0τ oscillation. resistance amplifier has zero input impedance, which effectively C R 2C I Trans-resistanceKww Vout amplifier Rm 4. For the oscillator circuit shown below, the amplifier is an with trans-resistance gain Rm...
1) For the bridge opamp circuit in the figure, find the total voltage gain expression Vo/Vin when the opamps are not saturated. (20p) When Vin (4th) (2001Tt) signal is applied to the input and R1 = R4 = 10K, R2 = R3 = 20K resistance values are selected, draw a single period of the Vo output signal by specifying its time and amplitude values. R2 +12V R1 Vin 1-12V RL Vo +12V -12V WW R3 R4
Problem 2 Consider the feedback amplifier circuit on Figure P2. The DC current gain of transistor Q3 is -100 1. What type of feedback (or what feedback topology) do we have on the circuit in Figure P2? 2. Draw the A-circuit. Express and compute the open-loop voltage gain A at mid-band frequency 3, Draw the γ-circuit. Express and compute the feedback factor γ 4. Express and compute the overall gain of the feedback amplifier Ap Express and compute the input...
Please answer clearly Question 2 The amplifier shown in Figure 2 has the following parameters: Kn(W/L)-1 mA/V2, V-1 V Determine a) Voltage gain (Vo/vi) b) Input resistance (R) c) Output resistance (Ro) d) Maximum output voltage swing so as the amplifier stays in saturation mode. Assume VDD-20 V, R1-2.5 ΚΩ, R2-1KQ, R3-0.5 ΚΩ, R4-5 MQ, R5_1ΜΩ. R4 R1 R5 R2 Ro R3 Question 2 The amplifier shown in Figure 2 has the following parameters: Kn(W/L)-1 mA/V2, V-1 V Determine a)...
1. (10 pts) Find the voltage gain for the circuit shown below, assume β-200. Vbe-0.6 and Vin(t)-1.2+0.2sin(2*pi*1k't) Rc 2k Rb V1 MW V2 40k 10 SINE(1.2.21k 0 0010) tran .01 2. Answer the following questions based on the circuit above. a. Is it possible to drive the amplifer in saturation by changing the values of B, Rb, and Rc, explain your answers. b. What ranges of Rc can be used on this amplifier without going on saturation mode? c. Can...