DO NOT WANT AI WILL REJECT 1. In the MOSFET current source circuits, the output resistance is ameasure of stability with respect to the change in the outputvoltage. Why so? The output resistance is increased by modifyingthe circuit from a two transistor current source to a cascode currentmirror as shown in the adjacent figure. Prove that the outputresistance for a cascode current mirror is:Ro=104 +102(1 + gmr04).Hint: Draw the small signal equivalent todetermine the output resistance of theadjacent circuit involving only M2 andM4.[10]M4でIREFM₂MyMaMM₂Vp

Answered: Image /qna-images/answer/f8ff6dd7-a01a-4c72-bddc-f5ad265eee7b.jpg

Answered: 1. In the MOSFET current source…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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(R₁ = 10k2, Rs = 30kQQ, RG = 100kQ,Vm = 0.8 a) Determine operating point of the circuit. Verify your operation mode assumption. b) Draw small signal equivalent circuit. c) Calculate Rin - d) Calculate Ro. . e) Determine small signal voltage gain
A. For the configuration shown below in 4(A), find the small signal voltage gain (Voutp-Voutm)/Vin B. For the configuration shown in 4(B), find the following parameters (a) DC value of output voltage, (b) input common mode range and (c) small signal voltage gain when all transistors are in saturation vou/Vin as indicated in the diagram; Assume no body bias on M1 ad M2 For this problem ONLY, assume the following device parameters V7, = \V| = 0.5V;K, = k ,' = 100 µA / V²,a, = a, = 0.01 VDD = 3V (10/1) M, M. (10/1) (10/1) M, |M, (10/1) Voutp 20kΩ м, (200/1) м, м, (10/1) м, Vin (1/1) м, M. (10/1) + Vin DC VAN M, 100HA (1/1) M, M, (10/1) (A) (B) V. =-1V
The DC Current Gain of a Transistor is Select one: a. Ratio of Collector Current to Base Current b. Ratio of Base Current to Collector Current c. Ratio of Emitter Current to Collector Current d. Ratio of Base Current to Emitter Current
"Below is a small signal equivalent circuit model considering the early effect of the BJT. Find the input resistance, output resistance, and voltage gain." Rout Rc R gm Ube R.R re ± Vi RE Vo
Please explain in detail
4. Assume Q₁ = Q₂ and Q3 Q4 = Q5. Neglect the base current. (a) What are the advantages of using differential pair for IC design? Name two of them. (b) Determine RREF to have IREF= 2 mA. Assume Vcc=5 V and VBE,on=0.8 V. (c) Determine the differential small-signal gain. Assume Re- 1 kohm. (d) Determine the minimum and maximum allowed DC voltage level of the input common-mode signal. Q5 IREF↓ RREF + Vcc Rc Vout Q3 Q₂ Rc 2
9. Design a biased-transistor circuit using VBB = Vcc= 10 V for a Q-point of Ic = 5 mA and VCE 4 V. Assume pc = 100. The design involves finding RB, RC, and the minimum power rating of the transistor. (The actual power rating should be greater.) Sketch the circuit.
What replaces each of the following elements when we draw the mid-band small-signal equivalent circuit for an amplifier: a. a dc voltage source; b. a coupling capacitor; c. a dc current source?
How to calculate the bias resistor of a common emitter amplifier. The design curretn is 0.55mA. Bera is assumed to be 200 and the Vcc = 12V. Note: the bias resistor should be high.
Draw a n-p-n transistor connected in circuit common base (CB).Draw the input current-voltage characteristic, the output current-voltage characteristicsand the graph giving dependence of the output current as function of the input current.Define the amplification gain of this circuit.
C. Draw a n-p-n transistor connected in circuit common emitter (CE). Draw the input current-voltage characteristic, the output current-voltage characteristics and the graph giving dependence of the output current as function of the input current. Define the amplification gain of this circuit.
2) Consider an enhancement MOSFET common source amplifier circuit in Figure 2(a). The output characteristic is showed in Figure 2(b). Assume that the circuit is operating in the saturation region and k = 5 mA/V2. It also given that ra = ro = 00, Cgd = 2 pF, Cgs = 4 pF, Cas = 1 pF, Cwi = 4 pF and Cwo = 3pF. a. Using DC load line, prove that Ino = 22.5 mA and VpsQ = 5.5 V for Vaso = 2.5V. (Please attach the characteristic graph provided in your working solution) b. Draw the AC equivalent circuit at mid frequency. c. Estimate the voltage gain Av = Vo /Vi. d. Determine the dominant high cut – off frequency for the circuit. 10 V Rp 100 2 6 MQ C2 ci Rs RL Vo 1002 R: 5002 Rs Vo 14 MQ Cs 100 2 Vs Figure 2(a) 60- 50 30 20 10 9. 10 Figure 2(b) (yu) 4

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