Q6)) The transistors in the feedback amplifier shown areidentical, and their h-parameters are..hie = 1.1k, hfe = 50, hre=o, and hoe = 0. Calculate Auf, Rif andRof. {Ans: 6031583; 4. Kor.Is 44.7 kwww4.7k91k 4.7k91k10k1k.10k210004.7kw15kFig. 2.19 Circuit for Q6.

Answered: Image /qna-images/answer/cd224a45-c5f5-453f-ad1d-d3cc110198b7.jpg

Answered: Q6)) The transistors in the feedback…

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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The circuit of Figure below uses current- (or shunt-) feedback bias. The Si transistor has ICEO = 0, B = 100, Rc= 2k2, Vcc = 12 V. Assume that; (VCEQ = Vcc /2). A. Find the value of Ibq B. Find the value of Rf C. Find the value of Re
A. Find the value of Ibq B. Find the value of Rf C. Find the value of (Re) t
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.
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The transistor parameters for the circuit in Figure are B, =B2 = 100, VBE1on) = VBE2ton) = 0.7 V, and %3D VA1 =VA2 =0.Find the small signal voltage gain Av = vo/vs. (Note that V-=0.026 V) Vcc=9 V Rib Q1 Vs 1 ko -Ro 20 V 100 Q -ww
6) Consider the following multistage amplifier. Draw the corresponding small signal model. Label, Vin, Vo1 and Vo. Do NOT make any approximations. Do NOT perform small signal analysis with this model. Just draw the small signal model. Show your work! Vin Vcc malli Q1 Re1 Vo1 Vcc ww1. Rc2 Q2 Re2 Vo
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2. For the Feedback Amplifier circuit shown in Figure 4, determine the following: a. Identify the type of sampling and mixing for the amplifier. b. Calculate the feedback factor for the amplifier. c. Draw the small signal equivalent circuit for the amplifier with no feedback and calculate the voltage gain without any feedback. d. Calculate the voltage gain with feedback. e. Calculate input and output resistances of the amplifier with feedback. B=100; 2=2.5k12. No DC Calculations necessary. +15V IK: Vs look TON't 27k fig. lONf -15V 4. €2.5k ZONE lk $250 Yout F₂0 =20NF lok
Q1 Design an operational-amplifier circuit using two inverting configurations to produce the output vo = +201 + 0.5v2 – 0.2v3 – 1v4. Choose feedback resistor Rf = 220kN for each amplifier. %3D | -
Assume an inverting amplifier with input resistance 1 kilohm and feedback resistance of 100 kilohm. If the op-amp has GBP = 1 MHz, what is the closed loop amplifier bandwidth?
For the feedback amplifier circuit shown below, assuming the internal resistor in each MOSFETs is infinite ( ro = ∞ ) and gm1 = gm2 = gm2 = 2.5mA/V. a) Draw the small AC equivalent circuit of the below amplifier. b) Determine the overall voltage gain.
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

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Q6)) The transistors in the feedback amplifier shown are identical, and their h-parameters are.. hie = 1.1k, hfe = 50, hre=o, and hoe = 0. Calculate Auf, Rif and Rof. {Ans: 6031583; 4. Kor. Is 4 4.7 k www 4.7k 91k 4.7k 91k 10k 1k. 10k 21000 4.7k w 15k Fig. 2.19 Circuit for Q6.