EC3451 Linear Integrated Circuits Study Materials
Anna University – EC3451 Linear Integrated Circuits Regulation 2021 Syllabus , Notes , Important Questions, Question Paper with Answers Previous Year Question Paper.
UNIT I BASICS OF OPERATIONAL AMPLIFIERS EC3451 Linear Integrated Circuits Syllabus
Current mirror and current sources, Current sources as active loads, Voltage sources, Voltage
References, BJT Differential amplifier with active loads, Basic information about op-amps – Ideal
Operational Amplifier – General operational amplifier stages -and internal circuit diagrams of IC
741, DC and AC performance characteristics, slew rate, Open and closed loop configurations –
MOSFET Operational Amplifiers – LF155 and TL082.
UNIT II APPLICATIONS OF OPERATIONAL AMPLIFIERS EC3451 Linear Integrated Circuits Notes
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 EC3451 Linear Integrated Circuits Important Questions
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
and clock synchronization
UNIT IV ANALOG TO DIGITAL AND DIGITAL TO ANALOG CONVERTERS EC3451 Linear Integrated Circuits Question Bank
Analog and Digital Data Conversions, D/A converter – specifications – weighted resistor type, R-2R
Ladder type, Voltage Mode and Current-Mode R – 2R 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, Sigma – Delta converters.
UNIT V WAVEFORM GENERATORS AND SPECIAL FUNCTION ICS EC3451 Linear Integrated Circuits Question Paper
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,
Low Drop – Out(LDO) Regulators – Switched capacitor filter IC MF10, Frequency to Voltage and
Voltage to Frequency converters, Audio Power amplifier, Video Amplifier, Isolation Amplifier, Optocouplers and fibre optic IC
| Syllabus | Click Here |
| Notes | Click Here |
| Important Questions | Click Here |
| Previous Year Question Paper | Click Here |
| Question Bank | Click Here |
TEXT BOOK EC3451 Linear Integrated Circuits Notes
1. 1.D.Roy Choudhry, Shail Jain, “Linear Integrated Circuits”, New Age International Pvt. Ltd.,
2018, Fifth Edition. (Unit I – V)
2. 2.Sergio Franco, “Design with Operational Amplifiers and Analog Integrated Circuits”, 4th
Edition, Tata Mc Graw-Hill, 2016 (Unit I – V)
REFERENCES EC3451 Linear Integrated Circuits Important Questions
1. Ramakant A. Gayakwad, “OP-AMP and Linear ICs”, 4th Edition, Prentice Hall / Pearson
Education, 2015
2. Robert F.Coughlin, Frederick F.Driscoll, “Operational Amplifiers and Linear Integrated
Circuits”, Sixth Edition, PHI, 2001.
3. S.Salivahanan & V.S. Kanchana Bhaskaran, “Linear Integrated Circuits”, TMH,2nd
Edition, 4th Reprint, 2016.
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