**Syllabus of GTU Integrated Circuit and Application 5th Sem EC**

**GUJARAT TECHNOLOGICAL UNIVERSITY**

**Electronics & Communication Engineering**

**B. E. SEMESTER: V**

**Subject Name: ****Integrated Circuit and Application**

**Subject Code: ****151003**

1. **Introduction to Operational Amplifiers:**

Introduction, Block diagram representation of a typical op-amp, its equivalent circuit, types

of ICs, Manufacturers’ designations and package types for ICs, Power supplies for ICs

2. **Interpretation of Data Sheets and Characteristics of an op-amp:**

Interpreting datasheet, Ideal op-amp, Equivalent circuit of an op-amp, Ideal voltage transfer

curve, Open-loop op-amp configurations

3. **An Op-amp with Negative Feedback:**

Voltage-series feedback amplifier, Voltage-shunt feedback amplifier, Differential amplifier

4. **The Practical op-amp**:

Introduction, Input offset voltage, Input bias current, Input offset current, Total output offset

voltage, Thermal drift, Effect of variation in power supply voltage on offset voltage, Change

in input offset voltage and input offset current with time, Other op-amp parameters which

changes with change in temperature and supply voltage, noise, Common-mode

configuration and common-mode rejection ratio, Slew rate and it equations, Effect of slew

rate in applications, Difference between bandwidth, Transient response and slew rate

5. **General Linear Applications**:

DC and AC amplifiers, AC amplifiers with single supply voltage, Peaking amplifier,

Summing, Scaling and Averaging amplifier, Instrumentation amplifier – its block diagram

along with applications, Differential input and differential output amplifier, Voltage-to-current

converter with floating load (low-voltage DC voltmeter, low-voltage AC voltmeter, Diode

match finder, Zener diode tester, Light-emitting diode tester), Current-to-voltage converter,

Very high-input impedance circuit, Integrator, Differentiator.

6. **Comparators and Converters**:

Comparator, Zero Crossing Detector, Schmitt Trigger, Voltage limiters, Clipper and

clampers, Absolute value output circuit, Peak detector, Sample and hold Circuit, Precision

rectifier – Half/Full Wave, Square, Triangular and Saw tooth Wave Generator, Log/ Antilog

Amplifier

7. **Active Filters:**

Classification of filters, Magnitude and frequency scaling, Magnitude and attenuation

characteristics of ideal and practical filters, Design parameter Q & _0, Biquad (Universal)

filter design, Butter worth Low pass and Highpass filters – 1st and 2nd order circuits design,

Butterworth pole location, Sallen & Key circuit, Butterworth Bandpass Filters-Frequency

Transformation, Deliyannis- Friend circuit , Chebyshev filter characteristics, Band reject

filters.

8. **Specialized IC Applications:**

** **

**a. 555 Timer and its Applications:**

Block Diagram, Monostable and Astable Multivibrator, Applications as Frequency

Divider, Square Wave Generator.

** **

**b. **Free-Running Ramp Generator

** **

**c. Phase Locked Loop and Its Applications:**

Block Diagram and Operation, Applications as Frequency Multiplier, Frequency Shift

Keying.

** **

**d. Design of Power Supply:**

Simple OP-AMP Voltage regulator, Three terminal Voltage regulators, Fixed and

Adjustable Voltage Regulators (78XX, LM317), Heat Sink, Dual Power supply (LM320,

LM317), Basic Switching Regulator and its characteristics.

** **

**e. Power Amplifiers:**

Monolithic Power Amplifiers (LM380)

** **

**f. Function Generator**: IC XR 2206

9. **Operational Trans-conductance Amplifier:**

Introduction, Internal diagram, Analysis, Active Filter

** **

**Suggested List of Experiments:**

1. Measurement of input and output offset voltage of 741 ICs.

2. To configure op-amp in voltage follower mode and to measure its slew rate.

3. To configure op-amp in inverting and non-inverting amplifier mode and measure

their gain and bandwidth.

4. To prepare precision rectifier using op-amp and verify its operation using

measurements.

5. To prepare full-wave rectifier using op-amp and verify its operation using

measurements.

6. To measure PSRR and CMRR of given op-amp.

7. To design Schmitt trigger circuit using op-amp and take measurements.

8. To design, build astable and monostable multi-vibrators using 741 IC and verify their

operation using measurements by observing waveforms.

9. T design, build and obtain the frrquency responses of First order Low-Pass and

Band-Pass Active Filters.

10. To design triangular wave generator using op-amp and verify it operations with

measurements.

11. To design and build second order Low-pass ,Band-pass, High-pass, All pass and

Band Elimination filters using BIQUAD Circuit.

12. To design Butterworth low-pass filter (Sallen-key citcuit), construct the same circuit

on breadboard and take necessary measurements

13. To design Friend Deliyannis band-pass filter, construct the same circuit on

breadboard and take necessary measurements.

14. To design monostable and astable multi-vibrators using 555 timer IC and verify their

operation using measurements.

15. To design,build and test Linear Voltage Regulators.

** **

**Miniproject based on 555/741/PLL applications/Analog filter is mandatory.**

** **

**Reference Books:**

1. Op-amps and Linear Integrated Circuits, by Ramakant A. Gayakwad.

2. Design with Operational Amplifiers and Analog Integrated Circuits, by Sergio

Franco, Tata Mcgraw-hill 2009 Edition.

3. Linear Integrated Circuits, by D. Roy Choudhury and Shail B. Jain, New Age

International Publishers, 3rd Edition.

4. Design of Analog Filers, by R. Schaumann, and Mac E. Van Valkenburg.

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