Summary-it is basic problem so I have shown step by step solution for it
vo 3. (30%) For the circuit below: a) Find an expression for the gain , b)...
2. For the amplifiers below, not all the bias details are shown. For the circuit on the left, what is the small signal resistance looking into the a. source of M2 (Ri2)? b. Using part a, Find the voltage gain at the drain of Mi, and the total gain at the output. For the circuit on the right, known as a cascode amplifier, find the voltage gain. c. Express your answers in terms of the transistors gm, and RD. Assume...
4) Consider the MOSFET differential amplifier shown below, with Io-2 mA, and RL- 10 kS2, Rss-100 k2, VDD- +8V and Vss--8V. The NMOS transistors in the circuit are nominally identical, with kn 2 mA/V2, VTn 1.0 V and ro 100 k2. The PMoS transistors in the circuit are nominally identical, with kp 2 mA/V2, [VTpl 1.0 V and ro 100 kΩ M3 M4 0 M1 M2 a) First consider the DC bias point. Assuming that the current mirror requires at...
2. (36% ) In Fig. 2, the device parameters and (W/L) ratios for Q1-Q3 are given below (WIL), 2 (W/L)2-2 (W/L); (a) (10%) If IREF-2nA, find VD3 and VS3 and verify if Q3 is in saturation. Ignore the channel length modulation for DC analysis. Note: DC Vc30 (b) (12%) Draw the "small signal" circuit for the complete +10 V amplifier. Based on the circuit, derive the AC voltage gain vo/vi in terms gm, ro and RD (please use appropriate subscripts...
The circuit 3-The circuit of problem # 2 is subjected to a small ac input by the signal generator. By neglecting the voltage drop across the coupling and bypass capacitors, determine the small signal voltage gain Vo/ Vì = Avi , input resistance Ri-vi / ii and the output resistance Ro external to R Avi= Ri= , Ro The accompanying circuit shows a 4-resistor biased JFET transistor Determine the values of Rp and Rs so that the Q-point is equal...
4. The MOSFET in the circuit given below has Vi- 1 V, kn 0.8 mA/V2, and VA 40 V a) Find the values of Rs, Ro, and Ro so that Io -0.1 mA, the largest possible value for RD is used while a maximum signal swing at the drain of tl V is possible, and the input resistance at the gate is 10 MS2. b) Find the values of gm and ro at the bias point c) If terminal Z...
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....
2) (40) Assume that the FET is saturated in the amplifier circuit below. (a) Draw the ac equivalent circuit for ro 00, (b) Find the ac voltage gain (vo/w) for ro = 00, (c) Draw the ac equivalent circuit for a finite ro. (d) Find the ac voltage gain (Vo/vi) for a finite ro Ay for ro Av for finite ro Rp FDD
Please Solve ALL parts. For the amplifier below, the MOSFET has the following parameters: VIV, k 1) Show (prove) that the transistor operates in the saturation mode 2) Determine the operating point by finding In and VDs 3) Assume infinite values for the coupling capacitors and draw a small signal model for this amplifier ) Find gm and ro 5) Find the voltage gain (vo/vi) Find Ri 7) Find the current gain (ioli) VDD +12V RD- 10k2 Vo Vi lmA...
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
8. Derive an expression for the voltage gain, vo/vi,of the circuit in the following circuit. 1 +