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Analog circuits & devices




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OBJECTIVES


MODULE - I


^ 1.1. Understand the concept of a transistor amplifier

1.1.1 Study the behavior of the CE amplifier with potential divider type of biasing

1.1.2 Determine the AC /D.Cload line of CE amplifier

1.1.3 Calculate the voltage gain, current gain, power gain and I/O impedance

1.1.4 Understand the terms “ frequency response” and “bandwidth” of amplifiers

1.1.5 Understand the characteristics and applications of Emitter Follower

1.1.6 Identify the need of multistage amplifier

1.1.7 Understand the working of multistage amplifiers

1.1.8 Discuss the different methods of inter stage coupling

1.1.9 Study the working Principles and features of RC coupled, Transformer coupled

And direct coupled multistage transistor amplifier

1.1.10 Understand the frequency response and identify the band width of RC coupled,

transformer coupled and direct coupled amplifiers

1.1.11 Compare the performance of RC coupled, transformer coupled and direct

coupled

^ 1.2. Understand the concept of feed back amplifier

1.2.1 Describe the positive and negative feed back in amplifier

1.2.2 Derive the expression for the gain of feed back amplifier

1.2.3 State the types of negative feed back in amplifiers

1.2.4 Explain the effect of negative feed back on gain stability, distortion, band width,

input and output impedance amplifier


MODULE - II


^ 2.1. Understand the operation of tuned voltage amplifier

2.1.1 Explain the series and parallel resonance circuit, expression for resonance

frequency

2.1.2 Recognize the relation between resonance frequency “Q” and band width

2.1.4 List the applications of tuned amplifiers

2.2.0 Understand the working of Audio power amplifiers

2.2.1 Distinguish between the voltage amplifier and power amplifier

2.2.2 Illustrate the importance of impedance matching in power amplifier

2.2.3 Classify the different types of power amplifier class A, Class B, Class AB and

class C

2.2.4 Explain the operation of a single ended power amplifier circuits

2.2.6 State the importance of heat sinks and heat dissipation in power amplifiers

2.2.7 Explain the principle of push pull amplifiers circuit

2.2.8 Explain the operation of class B push pull power amplifier using output

transformer

2.2.9 Explain the operation of complementary symmetry push pull amplifier circuit

2.2.10 List the advantages, disadvantages and applications of the push pull

amplifier circuit

MODULE - III


^ 3.1. Understand the principle of oscillator circuits

3.1.1 State the Barkhausan criterion for oscillation

3.1.2 Describe the working of RC oscillators – RC phase shift oscillator and Wein

bridge oscillator

3.1.3 List the applications of RC oscillators

3.1.4 Explain the basic principle of LC oscillators

3.1.5 Explain the working of Hartley and colpitt’s oscillators

3.1.6 List the applications of LC oscillators

3.1.7 Explain the operation of crystal oscillator

3.1.8 List the advantages and applications of crystal oscillator

3.2.0 Understand the operation of Multivibrators

3.2.1 Name the types of multivibrators

3.2.2 Describe the operation of Bistable multivibrator using transistors

3.2.4 Explain the operation of monostable multivibrator using transistors

3.2.5 Study the expression for pulse width, factors affecting pulse width

3.2.6 Explain triggering methods of monostable multivibrators

3.2.7 Explain the operations of astable multivibrators using transistors

3.2..8 Derive the expression for the frequency of oscillation

3.2.9 List the applications of multivibrators


MODULE IV


^ 4.1.Understand the operation of Schmitt trigger

4.1.1 Explain the operation of Schmitt trigger circuit

4.1.2 Explain UTP and LTP

4.1.3 List the applications of Schmitt trigger

4.2.Understand the linear wave shaping circuits

4.2.1Identify the different wave shapes

4.2.2 Define the characteristics of pulse wave form - rise time, fall times and tilt

4.2.3 Study RC differentiating and Integrating circuits.

4.2.4 State the conditions for proper integration and differentiation

4.2.5List the applications of integrator and differentiator circuits

^ 4.3.Understand the non-linear wave shaping circuits

4.3.1 Classify the diode clipping circuits

4.3.2 Explain the operation of series shunt and biased type clipping circuits with

wave forms

4.3.3 Explain the operation of Zener diode clipper circuits

4.3.4 Define the term clamping

4.3.5 Explain the operation of various types of diode clamping circuits

4.3.6 List the applications of clamping circuits


CONTENT DETAILS


MODULE – I


Single stage transistor amplifier and multistage transistor amplifiers

feed back in amplifiersAction of transistor as an amplifier – single stage C.E amplifier circuit with voltage divider biasing - graphical analysis of the small signal CE amplifier – AC&D C load line – Gain, frequency response and bandwidth of BJT amplifier - calculation of voltage gain, input impedance, and output impedence

Multistage Amplifiers -Need for multistage amplifier– inter-stage coupling methods- classification of multistage amplifiers – two stage RC coupled amplifier using BJT – frequency response - band width - advantages and disadvantages - applications – calculation of voltage gain, input impedance, and output impedance - Two stage transformer coupled and direct coupled

multistage amplifier –frequency response – advantages and disadvantages – applications

F eed Back Amplifier

Types of feed back – derivation for the expression of gain of a feed back amplifier – types of negative feed back amplifiers – explanation with block diagram – typical circuit diagrams of voltage shunt & current series negative feed back amplifier – effect of negative feed back on voltage gain, stability, distortion, bandwidth and input & output impedance


MODULE II


Tuned Voltage Amplifiers and Power Amplifiers

Series and parallel resonant circuits, expression for resonant frequency – relation between resonant frequency, Q factor and bandwidth – single tuned, double tuned, and stagger tuned voltage amplifiers - working principles - frequency responses - applications–

Need for power amplifier – difference between voltage and power amplifiers – importance of impedance matching in power amplifiers, transformer impedance matching - classification of power -amplifiers – Class A, Class B, Class AB and Class C – expression for efficiency of class B push pull -power amplifier – push pull power amplifier with output transformer – complementary symmetry -push pull power amplifier – advantages and disadvantages - cross over distortion in Class B power amplifier – importance of heat sinks and heat dissipation curves in power amplifiers

MODULE III


Oscillators

Classification– Barkhausan criteria–RC Oscillators: RC phase shift oscillator, Wein bridge oscillator -expression for frequency of oscillation (no derivation) – LC oscillators. Hartley oscillator, Colpitts oscillator, applications of RC and LC oscillators – crystal oscillator - applications Multivibrators Types of multivibrators – Bistable Multivibrator using transistor- triggering methods- monostable multivibrator using transistor - working and wave form – expression for pulse width (no derivations), factors affecting pulse width - triggering methods - astable multivibrator using transistor - working and wave form – expression for frequency – Schmitt trigger circuit using transistor- explanation with waveform – U.T.P, L.T.P, and hystersis – applications of multivibrators and Schmitt trigger


MODULE - IV

Wave Shaping circuits

Types of wave forms – ideal pulse wave form – rise time, fall time, and tilt - linear and non linear wave shaping circuits- transient phenomena in RC and RL circuits – RC differentiating and integrating circuits

Clipping circuits – diode clippers – series, shunt, biased and combinational clipper circuits - Zener diode clipper circuits – clamping circuits - diode clampers – positive, negative, and biased type – explain with sine and square wave input


TEXT BOOKS

1. Basic Electronics and Linear circuits - Kulshreshtha, D.C. Bhargava,

S.C . Guptha

2. Electronics devices and circuit theory - Floyd


REFERENCE BOOK


1. Electronics devices and circuit theory - Robert Boyelsted, Louis Nashelsky

2. Electronics Devices and Circuits - Bogart

3. Introduction to Electronic Circuit Design - Spencer and Ghausi

4. Electronics and circuits - David A Bell

5. Solid state pulse circuits - David A Bell

6. Amplifiers with discrete components - R.S Moni.

7. Electronic Principles - Malvino.

8. Applied Electronics & Instrumentation - R K Rajput


SUBJECT TITLE : ANALOG CIRCUITS LAB

SUBJECT CODE :

PERIODS/WEEK : 4

PERIODS/SEMESTER : 72


LIST OF EXPERIMENTS

1. Design and construct

(i) RC differentiator circuit

(ii) RC integrator circuit

and study its pulse response

2. Design, construct and test shunt diode clipper circuits

(i) Positive clipper

(ii) Negative clipper

(iii) Biased clipper

3. Zener diode clipper circuit

4. Design, construct and test various diode clamping circuits

(i) Positive clamper

(ii) Negative clamper

(iii) Biased clamper

5. Design single stage RC coupled CE amplifier for a given gain

(i) Observe the phase difference between input and output wave forms

(ii) Measure mid band gain

(iii) Plot its frequency response and determine the band width

6. Design an emitter follower circuit and measure the gain.

7. Design a RC phase shift oscillator for a given frequency of oscillation.

8. Design, construct and test a transistor astable multivibrator for

(i) a specified frequency

(ii) a specified duty cycle

9. Design a simple sweep circuit and observe its output wave form for a square wave

input.

10. Assemble a boot strap sweep generator circuit & plot its output wave form for square

Wave input.

11. Design a BJT monostable multivibrator and plot the wave forms at base and collector

of the transistors.

12. Design a Schmitt trigger circuit using BJT for specified UTP and LTP and observe the

output with a sine wave input. Plot its transfer characteristics.

13. Design a UJT relaxation oscillator for a specified frequency of oscillation.

14. Design a WEIN BRIDGE oscillator for a given frequency of oscillation.

15. Plot the input and output characteristics for a transistor in common emitter

Configuration and determine current gain, input and output resistance.



Subject Title : Digital Instrument Principles
^

Subject Code :


Periods / Week : 4

Periods / Term : 72

TIME SCHEDULE


MODULE

TOPIC

PERIODS

I

^ Number system, Boolean algebra

16




TEST

2

II

^ Combinational logic circuits

16




TEST

2

III

^ Sequential logic circuits

16




TEST

2

IV

^ ADC , DAC & MEMORIES

16


TOTAL


72
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