b) The differential amplifier in Figure Q2b is biased with a current mirror current source. Thetransistor parameters for the circuit shown are:Determine:mAKn = 0.2, VTN = 1 V, and λ = 0.04 V-1, for all transistors.i) Current IT and current Ic.ii) The differential and common mode gain.iii) The common mode rejection ratio in dB.VDD+5 VIREFRx10 ΚΩVDD+5 VRD6.8 ΚΩID1ID2Vi1RD6.8 ΚΩVizFigure Q2b(15 marks)

Step 1: current It and Ic since the circuit utilizes the current mirror, the current flowing through…

Answered: b) The differential amplifier in Figure…

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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III An n-channel MOSFET ID versus VDS set of characteristics is shown below. A common-source resistively loaded amplifier uses this MOSFET. The resistive load RL = 1,000 ohms and the drain power supply (VDD) = 3 volts. (a) Draw the load line over the l-V characteristics shown immediately below.. (b) What is the slope of the resistive load line? VDD =3 volts 6 mA 5 mA -+ R. 4 mA + 3 mA -t 2 mA 1 mA 3 V 4 V 5 V Vps
(a) Using the hybrid-pi model with early voltage effect, compute the small signal voltage gain, Av, input resistance and output resistance for the CE BJT amplifier shown below. Q1. Vcc = 12 V B=100 VBE(ON) = 0.7V V = 100V R = 93.7k2 * R=6 k2 Vo Rs = 0.5 k2 C B E R,= 6.3 k2 Figure Q1(a)
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Consider the source follower circuit in Figure shown below, IQ = 10 mA VTP = -2 V, Kp = 5mA/V2, RL = 680 n, and 2 = 0.01 V-1. Where Kp=1/2 k'p(W/L). (i) What configuration is this circuit? Use T Model to Determine the small-signal voltage gain (V/Vi). (ii) (iii) What is the formula for Vo? (iv) What is the formula for Vi? Determine the small-signal voltage gain (VVi). (v) (vi) Find the output resistance Ro. V* =5 V 200 k2 V--5 V
Problem: - Q1. For a MOSFET feedback bias circuit, calculate the values of Ip, Vcs and Vps given of RG= 12M2, Rp = 1.6KQ, and the data sheet gives VGs (TH) = 2.5V, ID(ON) = 5mA, VGs(ON) = 6.5V with VDD =14V.
An operational amplifier consisting of three cascaded stages has a voltage gain of 3500. The gain of the first two stages is known to be -5 and -900. What is the voltage gain of the last stage and which type of MOSFET amplifier would you prefer for this stage?
Figure 6 shows a circuit where feedback is provided between the drain and gate of the transistor M1 Q6 Draw the small signal equivalent circuit of the open loop circuit obtained by breaking the loop at the gate of transistor M1 (suitable for the analysis in the mid band frequency range). Consider Cg as short circuit in the model and state any assumption. (a) (b) State the necessary conditions for the oscillation to occur in the circuit. Using the conditions from (b), derive an expression for the amplifier oscillation frequency fo. (c) Derive the necessary condition for the oscillation to occur in the circuit and state if you can conclude that the circuit will oscillate when considering the values of the inductances L2 = 8 LI = 2 mH; capacitors C = 2 nF; transconductance of the transistor gml = 1.4 mS; and resistors R1 = R2 = Rs : 10 k2. (d) %3D L2 L, R, Cg. C Vout Cp M1 R2 CG Rs Cs Vss = 0 V Figure 6
1. By using re model, draw the a.c. equalent circuit for the transistor amplifier shown in figure 1 Figure 1 i. ii. iii. iv. "Î Figure 2 R₁ C₁ V₁ R₂ 2. By using equalent circuit mention in 'part 1'. Write the mathematical expressions for followings, www m input impedence of the amplifier output impedance of the amplifier voltage gain of the amplifier current gain of the amplifier 3. By using h-parameter model, draw the a.c. equalent circuit for the transistor amplifier shown in figure 2. Assume that hre= high (∞), hoe = 0 and the rectance of capacitors C₁, C₂ and C3 is zero. Vcc Rc R₁ C₁ VBE RE R₂ +₁. Vcc Rc RE: C₂ C₂ Vo Vo R₁ R₂ Rc RE hie hfe = 38 ΚΩ = 10 ΚΩ = 4.7 ΚΩ = 2.2 kΩ = 1kΩ = 50
Using the characteristic curve (please refer to the uploaded characteristic curve) of the NPN transistor of the class A Series - Fed Amplifier, shown in Figure 1 below
2

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