EC 2254 LINEAR INTEGRATED CIRCUITS

EC 2254                         LINEAR INTEGRATED CIRCUITS                                3  0  0  3

AIM:

To teach the basic concepts in the design of electronic circuits using linear integrated circuits and their applications in the processing of analog signals.

OBJECTIVES

·         To introduce the basic building blocks of linear integrated circuits.

·         To teach the linear and non-linear applications of operational amplifiers.

·         To introduce the theory and applications of analog multipliers and PLL.

·         To teach the theory of ADC and DAC

·         To introduce the concepts of waveform generation and introduce some special function ICs.

UNIT - I           IC FABRICATION AND CIRCUIT CONFIGURATION FOR LINEAR ICs

                                                                                             9

Advantages of Ics over discrete components – Manufacturing process of monolithic Ics – Construction of monolithic bipolar transistor – Monolithic diodes – Integrated Resistors – Monolithic Capacitors – Inductors. Current mirror and current sources, Current sources as active loads, Voltage sources, Voltage References, BJT Differential amplifier with active loads, General operational amplifier stages -and internal circuit diagrams of IC 741, DC and AC performance characteristics, slew rate, Open and closed loop configurations.

UNIT - II          APPLICATIONS OF OPERATIONAL AMPLIFIERS                                 9

Sign Changer, Scale Changer, Phase Shift Circuits, Voltage Follower, V-to-I and I-to-V converters, adder, subtractor, Instrumentation amplifier, Integrator, Differentiator, Logarithmic amplifier, Antilogarithmic amplifier, Comparators, Schmitt trigger, Precision rectifier, peak detector, clipper and clamper, Low-pass, high-pass and band-pass Butterworth filters.

UNIT - III         ANALOG MULTIPLIER AND PLL                                                             9

Analog Multiplier using Emitter Coupled Transistor Pair - Gilbert Multiplier cell -  Variable transconductance technique, analog multiplier ICs and their applications, Operation of the basic PLL, Closed loop analysis, Voltage controlled oscillator, Monolithic PLL IC 565, application of PLL for AM detection, FM detection, FSK modulation and demodulation and Frequency synthesizing.

UNIT - IV         ANALOG TO DIGITAL AND DIGITAL TO ANALOG CONVERTERS     8

Analog and Digital Data Conversions, D/A converter – specifications - weighted resistor type, R-2R Ladder type, Voltage Mode and Current-Mode  Ladder types -  switches for D/A converters, high speed sample-and-hold circuits, A/D Converters – specifications - Flash type - Successive Approximation type - Single Slope type - Dual Slope type - A/D Converter using Voltage-to-Time Conversion - Over-sampling A/D Converters.

UNIT - V          WAVEFORM GENERATORS AND SPECIAL FUNCTION ICs               9

Sine-wave generators, Multivibrators and Triangular wave generator, Saw-tooth wave generator, ICL8038 function generator, Timer IC 555, IC Voltage regulators - Three terminal fixed and adjustable voltage regulators - IC 723 general purpose regulator -  Monolithic switching regulator, Switched capacitor filter IC MF10, Frequency to Voltage and Voltage to Frequency converters, Audio Power amplifier, Video Amplifier, Isolation Amplifier, Opto-couplers and fibre optic IC.

                                                                                                              

         TOTAL : 45  PERIODS

TEXT BOOKS:

1.      Sergio Franco, Design with operational amplifiers and analog integrated circuits, 3^rd Edition, Tata McGraw-Hill, 2007.

2.      D.Roy Choudhry, Shail Jain,  Linear Integrated Circuits, New Age International Pvt. Ltd., 2000.

REFERENCES:

1.      B.S.Sonde, System design using Integrated Circuits , New Age Pub, 2nd  Edition, 2001

2.      Gray and Meyer, Analysis and Design of Analog Integrated Circuits, Wiley International, 2005.

3.      Ramakant A.Gayakwad, OP-AMP and Linear ICs, Prentice Hall / Pearson Education, 4^th Edition, 2001.

4.      J.Michael Jacob, Applications and Design with Analog Integrated Circuits, Prentice Hall of India, 1996.

5.      William D.Stanley, Operational Amplifiers with Linear Integrated Circuits, Pearson Education, 2004.

6.      K Lal Kishore, Operational Amplifier and Linear Integrated Circuits, Pearson Education, 2006.

S.Salivahanan & V.S. Kanchana Bhaskaran,  Linear Integrated Circuits, TMH,  2008.