3. Below is a BJT based amplifier3.9k237Vi IB-1004.7ksa. Find IB, IEb. Draw the load line for this transistor showing the operation pointfor this networkc. Draw the n and T network AC circuit for this networkd. Find r.e. Find Z; and Z, for r, = 70 Kiloohmsf. Find Apg. The circuit shown is placed in a karaoke machine, explain why thequality of sound from the speakers becomes bad as the singerstarts singing loudly and has the best quality when singing softly.What is this phenomenon called? 2. A student picks up a MOSFET in his lab and has no idea of what kindof transistor is it, he only knows the name of the three terminals:Gate, Source and DrainThe Pinch off voltage he found was V,= 4V and Inss10mAa. What channel type of a transistor is it? Sketch it's junctiondiagram.b. Find drain current for Vas-1,0, 1, 2, 4c. Sketch the transfer curve for this transistor showing the twooperational regions.d. Use the transfer curve to draw a characteristic curve, showing theohmic region, pinch off voltage, saturation region and breakdownvoltage.

As per the guideline of Bartleby if more than one or more than three subparts asked only, first or…

Answered: 3. Below is a BJT based amplifier…

Engineering

Electrical Engineering

3. Below is a BJT based amplifier ;3.9k2 R-100 Ii 4.7k

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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Concept explainers

Differential amplifier

There are two amplifying stages with common degeneration in a differential amplifier.

Question

3. Below is a BJT based amplifier
3.9k2
37
Vi I
B-100
4.7ks
a. Find IB, IE
b. Draw the load line for this transistor showing the operation point
for this network
c. Draw the n and T network AC circuit for this network
d. Find r.
e. Find Z; and Z, for r, = 70 Kiloohms
f. Find Ap
g. The circuit shown is placed in a karaoke machine, explain why the
quality of sound from the speakers becomes bad as the singer
starts singing loudly and has the best quality when singing softly.
What is this phenomenon called?

2. A student picks up a MOSFET in his lab and has no idea of what kind
of transistor is it, he only knows the name of the three terminals:
Gate, Source and Drain
The Pinch off voltage he found was V,
= 4V and Inss
10mA
a. What channel type of a transistor is it? Sketch it's junction
diagram.
b. Find drain current for Vas
-1,0, 1, 2, 4
c. Sketch the transfer curve for this transistor showing the two
operational regions.
d. Use the transfer curve to draw a characteristic curve, showing the
ohmic region, pinch off voltage, saturation region and breakdown
voltage.

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