EC405 โ€ข Electronics & Communication Engineering โ€ข IV Semester

EC405 Analog Circuits

RGPV EC405 Analog Circuits Notes covering Feedback Amplifiers, Oscillators, Operational Amplifiers, OP-AMP Applications, Filters, 555 Timer and Voltage Regulators.

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Subject

7

Major Sections

10

Lab Experiments

EC405 Course Contents

RGPV Electronics & Communication Engineering IV Semester syllabus for Analog Circuits.

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1. Feedback Amplifier and Oscillators

Concepts of feedback, feedback topologies and oscillator fundamentals.

Concept of feedback and their types
Amplifier with negative feedback
Advantages of negative feedback
Feedback Topologies
Concept of Positive feedback
Classification of Oscillators
Barkhausen criterion
RC oscillator
RC Phase Shift Oscillator
Wien Bridge Oscillator
Hartley Oscillator
Colpitt's Oscillator
Clapp Oscillator
Crystal Oscillator
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2. Introduction to Integrated Circuits

Basic concepts and characteristics of integrated circuits used in analog electronics.

Advantages of IC's
Characteristic parameters of IC's
Basic building components
Data sheets
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3. Operational Amplifier

Differential amplifiers, ideal op-amp characteristics, equivalent circuits and power supply configurations.

Differential amplifier and analysis
Dual input balanced output differential amplifier
Dual input Unbalanced output differential amplifier
Single input balanced output differential amplifier
Single input Unbalanced output differential amplifier
Introduction of op-amp
Op-amp Block diagram
Characteristics and equivalent circuits of an ideal op-amp
Power supply configurations for OP-AMP
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4. Characteristics of OP-AMP

Ideal and practical op-amp parameters, limitations, frequency response and TL082 datasheet.

Ideal and Practical characteristics
Input offset voltage
Offset current
Input bias current
Output offset voltage
Thermal drift
Effect of variation in power supply voltage
Common-mode rejection ratio (CMRR)
Slew rate and its Effect
PSRR
Gain bandwidth product
Frequency limitations and compensations
Transient response
Analysis of TL082 datasheet
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5. OP-AMP Applications

Important practical applications of operational amplifiers and related analog circuits.

Inverting amplifier configuration
Non-inverting amplifier configuration
Summing amplifier
Integrators
Differentiators
Instrumentation amplifier
Differential input and differential output amplifier
Voltage-series feedback amplifier
Voltage-shunt feedback amplifier
Log / Antilog amplifier
Triangular / rectangular wave generator
Phase-shift oscillators
Wien bridge oscillator
Analog multiplier-MPY634
VCO
Comparator
Zero Crossing Detector
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6. OP-AMP as Filters

Filter characteristics, classification and active filter configurations.

Characteristics of filters
Classification of filters
Magnitude and frequency response
Butterworth 1st and 2nd order Low pass filter
Butterworth 1st and 2nd order High pass filter
Butterworth 1st and 2nd order Band pass filter
Chebyshev filter characteristics
Band reject filters
Notch filter
All pass filters
Self-tuned filters
AGC using op-AMP
AVC using op-AMP
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7. Timer & Wave Shaping Circuits

555 timer, multivibrators, waveform shaping and precision analog circuits.

IC-555 Timer concept
Block and pin configuration of timer
Monostable Multivibrator using 555 IC
Bistable Multivibrator using 555 IC
Astable Multivibrator using 555 IC
Schmitt Trigger
Voltage limiters
Clipper and clampers circuits
Absolute value output circuit
Peak detector
Sample and hold Circuit
Precision rectifiers
Voltage-to-current converter
Current-to-voltage converter
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8. Voltage Regulator

Linear and switching voltage regulator concepts and standard regulator ICs.

Simple OP-AMP Voltage regulator
Fixed Voltage Regulators
Adjustable Voltage Regulators
Dual Power supply
Basic Switching Regulator
Characteristics of standard regulator ICs
Linear regulator
Switching regulator
Low-drop out regulator
Study of LM317
Study of TPS40200
Study of TPS7250

EC405 Analog Circuits Lab

Experiments listed in the RGPV syllabus.

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Experiment 1

To measure and compare the op-amp characteristics: offset voltages, bias currents, CMRR, Slew Rate of OPAMP LM741 and TL082.

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Experiment 2

To determine voltage gain and frequency response of inverting and non-inverting amplifiers using TL082.

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Experiment 3

To design an instrumentation amplifier and determine its voltage gain using TL082.

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Experiment 4

To design op-amp integrator (low pass filter) and determine its frequency response.

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Experiment 5

To design op-amp differentiator (high pass filter) and determine its frequency response.

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Experiment 6

Design 2nd order Butterworth filter using universal active filter topology with LM741.

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Experiment 7

To design Astable, Monostable and Bistable multivibrator using 555 and analyse its characteristics.

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Experiment 8

Automatic Gain Control (AGC) and Automatic Volume Control (AVC) using multiplier MPY634.

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Experiment 9

To design a PLL using opamp with MPY634 and determine the free running frequency, capture range and lock in range of PLL.

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Experiment 10

Design and test a Low Dropout regulator using op-amps for a given voltage regulation characteristic and compare the characteristics with TPS7250 IC.

EC405 Study Resources

Prepare Analog Circuits effectively for RGPV examinations.

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Unit Wise HandWritten Notes

Detailed unit-wise Analog Circuits handwritten notes for examination preparation.

Open units
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Previous 4 Year Papers ANALYSIS

Practice previous year RGPV questions and understand the examination pattern.

View PYQ Analysis

About EC405 Analog Circuits

EC405 Analog Circuits is an Electronics & Communication Engineering IV Semester subject under the RGPV curriculum. The course covers feedback amplifiers, oscillators, integrated circuits, operational amplifiers and their practical applications.

The syllabus also covers OP-AMP based filters, timer circuits, waveform shaping circuits and voltage regulator techniques.

Important devices and circuits mentioned in the syllabus include TL082, LM741, MPY634, LM317, TPS40200 and TPS7250.

Recommended Preparation

Students should focus on circuit diagrams, working, characteristics, important parameters, applications and numerical/problem-solving wherever applicable.

Frequently Asked Questions

Common questions about RGPV EC405 Analog Circuits.

What is EC405?

EC405 is Analog Circuits for Electronics & Communication Engineering IV Semester under the RGPV syllabus.

What topics are covered in EC405?

The syllabus covers Feedback Amplifiers and Oscillators, Integrated Circuits, Operational Amplifiers, OP-AMP Applications, OP-AMP Filters, 555 Timer circuits and Voltage Regulators.

Is 555 Timer included in EC405?

Yes. The syllabus includes the 555 Timer concept, block and pin configuration, Monostable, Bistable and Astable Multivibrators.

Are OP-AMP applications included?

Yes. The syllabus includes inverting and non-inverting amplifiers, summing amplifier, integrator, differentiator, instrumentation amplifier, log/antilog amplifier, comparator and other applications.

Which voltage regulator ICs are included?

The syllabus specifically mentions LM317, TPS40200 and TPS7250 along with linear, switching and low-dropout regulators.

Is EC405 practical work included?

Yes. The RGPV syllabus contains 10 listed experiments covering OP-AMP characteristics, amplifiers, filters, 555 multivibrators, AGC/AVC, PLL and low-dropout regulators.

Is RGPV Notes an official RGPV website?

No. RGPV Notes is an independent educational platform created for student support and examination preparation.