Q1.(a)Consider the amplifier circuit in Figure Q1(a). Given the following:RI = 100 k2R2 = 56 kNRc =2 k2Vcc = +8 VAssume the transistor has B = 100 and VBE(on) = 0.7 V. You may neglect Earlyeffect and use VT = 26 mV.(i)Draw the DC equivalent circuit, then determine Iç and VCE.Draw the AC equivalent circuit using re model. Based on this, determinethe parameters Av, Rin and Rout.(ii)VccRcR1R2C3VoutC2CiVinFigure Q1(a)

The above configuration represents Collector DC Feedback Configuration For DC analysis: Deactivate…

Answered: QI. (a) Consider the amplifier circuit…

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 PAIR of transistors Q1 and Q2 in the figure have gains β1 = 200 and β2 = 75 respectively. Determine the value of the equivalent gain βeq for the equivalent transistor Qeq. ( NEED ONLY HANDWRITTEN SOLUTION PLEASE OTHERWISE DOWNVOTE).
1. For the circuit in Figure 1: a) Calculate the input and output power if the input signal results in a base current of 5 mA rms. b) Calculate the input power dissipated by the circuit if RB is changed to 1.5 kN. c) What maximum output power can be delivered by the circuit if RB is changed to 1.5 kN? d) If the circuit is biased at its center voltage and center collector operating point, what is the input power for a maximum output power of 1.5 W? +Vcc (18 V) RC -16Ω RB 1.2 k2 B - 40 100 µF
Fill in the table VB VC VE Ic LE I8 fre IT gm 5V Consider the circuit given at the right. 600k 1.5k =0.7, Vauo, B=165) 100uF Vo 1k 100uF a) Perform DC analysis and calculate all VB =? VC:? branch currents, node voltages, and small signal parameters 3K VE=? Rout b) Draw a small-signal equivalent model n Vin Rin 400K c) Calculate Ri, Rout, and Ay=Vou/Vin -5V
Consider the circuit in Figure A4. (a) Explain its operation with the aid of diagrams. (b) Assume that R₁ = 21 kQ, Vref = 1.2 V, Vs = +12 V and -Vs = -12 V. Determine a value for R₂ to obtain a maximum threshold voltage of Vth = 5.25 V. (c) Sketch the output voltage signal in time for a sinusoidal input signal of peak voltage 3.5 V and frequency 2 kHz. R1 R2 Vout Vref Vin +Vs -Vs Figure A4
The n-channel JFET and the D-MOSFET have very similar I-V output characteristics. Which of these two structures can be operated in enhancement mode and why is that possible.
The amplifier in the circuit below is driven by a signal generator v, with a small sine wave signal vhose average value is zero. Assume the transistor has a value of B-100, and V-26 mV. a. You need to design the circuit so that the de emitter current IE of the emitter resistor RE to establish the desired de emitter current. = 1 mA. Specify the value b. A de collector voltage of +5 volts is desired. Specify the value of the collector resistor Re to establish the desired de collector voltage. For this part assume that RL 5 K and the Early Effect needs to be considered. The transistor has a VA 100 Volts. Draw the ac small signal equivalent circuit model of the amplifier and determine its voltage gain. 91SV C. 2.5k MM do RE -15 V 84 Vout RL
Consider a buck converter with the controlled switch as MOSFET and the uncontrolled switch as diode, the input to buck converter is 60 V. The MOSFET is turned on and off for 20 msec and 10 msec periodically. Assuming ideal components, the output voltage of the buck converter is
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
In a full-bridge dc-dc converter using PWM bipolar voltage switching, analytically obtain the value of (V/V) which results in the maximum (peak-peak) ripple in the output current i,. Calculate this ripple in terms of Va, La, and f
Determine vo versus v₁ for the circuit shown in Figure 2. Assume that the MOSFET operates in saturation and is characterized by the parameters K and VT. Vs R₁ www Figure 2 wwww RL R₂ wwwww VO Note: assuming the MOSFET works at normal saturation regime and ips= (VDS -VT)²2 K 2
8.

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