5. For the amplifier circuit below,i. Find the values for Rs and RD such that ID = 2mA and VD =5V. Use VDD=10V, Vm = 1V, and kn = 1mA/V². Rsig = 50.Draw the small signal model of the amplifier.ii.iii.Calculate the gm of the MOSFET.iv. Calculate the small signal voltage gain (vo/Vs).VDD = 10V6MQRDVpRsig4MQRsVs8

Answered: Image /qna-images/answer/949241db-73f3-421a-ad01-27898eabb492.jpg

Answered: 5. For the amplifier circuit below, i.…

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 amplifier circuit below has a single ac input and two ac outputs. Assuming transistor parameters of B= 100 and VBE - 0.6 V: a) Determine the Q point. b) Is the transistor in the active region? Explain thoroughly. c) Construct the T-model of the transistor with all parameters labelled and evaluated. Assume room temperature. d) Draw a complete small signal circuit model, then find the voltage gain for both outputs. e) Based on the analysis results, what is the function of this circuit? Suggest a proper application. 3) Assuming that each output is feeding a 50-k2 resistor, determine the total voltage gain and current gain for both outputs. Also, caleulate the amplifier input resistance and the amplifier output resistances. 10 V 10 V Rc= 3.3 kl 100 kn 8. 50 kn RE = 3 kſ2 3D!
VcC R2 RC- RI RL R1 RE VEE Assume: B=100, VA=150, Vcc=12V, VɛE=GND, R=2K, R1=160K, R2=300K, Rɛ=3K, Rc=2.2K, and R1=100K. A.)For the circuit draw the AC equivalent circuit (including the small signal model for the transistor). Then compute r„, ľo, and gm. Then compute Av (the gain for the entire circuit), and Rin (for the whole circuit). B.)Convert the circuit to a common-collector circuit. Draw the new circuit (assume the same values for the input and load resistances). Then compute the terminal voltage gain, and Rin (for the whole circuit), re-computing any parameters that you need to solve.
Which of the following models can be used for BJT AC SImall signal amplifier circuit analysis? i. hybrid model ii. re model iii. transconductance model iv. Eber's Moll model II, ili and iv i,i and iv O ii and iv O i and ii
Coonsider the common emitter amplifier shown in figure below. Assume a β of 100, VBE = 0.7V, VT = 25mA and VA = 100V. Draw an equivalent DC model and determine the rπ, transconductance (gm) and ro. Draw an equaivalent AC model using the small-signal model Find an expression for vbe and vo in terms of the input voltage
Amplifier circuit is show below has a single ac input and one ac output. Assuming 2N2222 transistor: Construct the T-model of the transistor with all parameters labelled and evaluated. Assume room temperature. Draw a complete small signal circuit model, then find the voltage gain. Explain two characteristics of this amplifier. Calculate the current gain, the input resistance, and the output resistance.
Given a D-MOSFET circuit used as an amplifier with the following parameter: IDSS=12mA and a transconductance of gm=3.2 mS. Determine the DC drain to source voltage VDS and the AC output voltage if Vin=500 mV.
Consider Figure 1 and determine as follows. i. Draw the dc and ac equivalent circuits for the common-source amplifier. ii. Determine Ip, VGs, and VDs for a centred Q-point. Idss=15 mA, and VGS(OFF)= -4 V. iii. Determine the voltage gain, Ay. iv. What happen to the voltage gain, A, if RL is increased to 6.6 kN. VDD +15 V Rp 820 N C3 Vout 1 µF Vin RL 3.3 kN 0.1 μF RG 10 MQ Rs 220 N C2 1 μF
Amplifier circuit is show below has a single ac input and one ac output. Assuming 2N2222 transistor: 1- Determine the Q point, then illustrate it on the transistor I-V characteristic curves. 2- Is the transistor in the active region? Explain thoroughly. 3- Construct the T-model of the transistor with all parameters labelled and evaluated. Assume room temperature. 4- Draw a complete small signal circuit model, then find the voltage gain. Explain two characteristics of this amplifier. 5- Calculate the current gain, the input resistance, and the output resistance.
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?
2 a) i) Draw typical output characteristics of a common emitter npn transistor and clearly identify the active, saturation, and cut off regions on your drawing. ii) Explain how you can find the common emitter de current gain, B, and the common emitter ac current gain, hre, from the common emitter output characteristics of an npn transistor. You need to draw typical output characteristics in scales and provide numerical calculations to support your explanation.
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
1 The AC input to a common emitter amplifier (Figure 1) is such that it is comparable to thermal voltage VT. For such an amplifier: a. Please show how a hybrid – T small-signal model would look like. Do not ignore early effect. b. Please derive relation for the terminal voltage gain and overall voltage gain. Vcc Rc R RE C Figure 1 You uolont oirouit

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