EI25C06 Linear Integrated Circuits and Applications – Semester IV – EIE / ICE – R-2025

Subject Code & Name: EI25C06 – Linear Integrated Circuits and Applications

Regulation: R-2025

Semester: IV (Fourth Semester)

Branch: B.E. Electronics and Instrumentation Engineering (EIE) / B.E. Instrumentation and Control Engineering (ICE)

Credits / L-T-P: 3 Credits | L-T-P: 3-0-0

Course Objectives

• This course provides an understanding of IC fabrication techniques and the characteristics of operational amplifiers.
• It enables students to design basic Op-Amp applications and understand special and application-specific ICs.
• The course also introduces signal conditioning circuits with practical examples.

Full Unit-wise Syllabus

Unit I – IC Fabrication

IC classification, fundamentals of monolithic IC technology, basic planar processes, fabrication of typical circuit, fabrication of diodes, resistance, capacitance, and FETs.

Unit II – Characteristics And Applications of OP-AMP

Ideal Op-Amp, DC and AC characteristics, Basic applications of Op-Amp – Inverting and Non-inverting Amplifiers, summer, differentiator and integrator, Op-Amp circuits using Diodes – peak detector, clippers, clampers, comparators, Schmitt trigger, multivibrators, waveform generators, First order and second order Low pass and High pass active filters.

Unit III – Special ICs and Application ICs

555 Timer – Functional block, characteristics, IC NE/SE 566 Voltage Controlled Oscillator, IC NE/SE 565 Phase Locked Loop, Analog multiplier and Divider IC AD633, IC voltage regulators – LM78XX, LM79XX series voltage regulator, LM317, LM723 Variable voltage regulator, μA78S40 switching regulator, Switched Mode Power Supply, LM380 power amplifier, ICL8038 function generator IC, LM324 Quad Op-Amp.

Unit IV – Signal Conditioning Circuits

V/I and I/V converters, differential amplifier, Instrumentation amplifier, Sample and Hold circuit, DAC and ADC characteristics, D/A converter (R-2R ladder and weighted resistor types), A/D converter (Flash and Successive approximation types), Design of signal conditioning circuits for RTD and strain gauge.

Tasks

• T1: Design a two-way clipper for given clipping range and implement in hardware.
• T2: Design PI/PD/PID controller using Op-Amp for the given specifications and implement it in hardware.
• T3: Design an active band pass filter for the given specifications and realize it in hardware.
• T4: Design an instrumentation amplifier using op-amp for variable gain.
• T5: Design a signal conditioning circuit for temperature sensor.

Course Outcomes (COs)

• CO1: Explain IC fabrication techniques, IC classification, and the characteristics of monolithic ICs including diodes, resistors, capacitors, and FETs.
• CO2: Interpret IC datasheets and demonstrate understanding of fabrication process through simulations and software tools
• CO3: Analyze and design basic Op-Amp circuits including inverting/non-inverting amplifiers, summer, differentiator, integrator, and waveform generators.
• CO4: Explain and implement special ICs such as timers, VCOs, PLLs, voltage regulators, analog multipliers, power amplifiers, and function generators in practical circuits.
• CO5: Design and implement signal conditioning circuits including V/I and I/V converters, differential and instrumentation amplifiers, DACs, ADCs, and circuits for RTD and strain gauges.

Assessment Pattern (Quick Note)

• Weightage: Continuous Assessment 40% | End Semester Examinations 60%
• Internal methodology: Assignments (20%), Solution to application-oriented problems using software (20%), Review of GATE questions (20%), Internal Examinations (40%)

Source: Official Anna University – B.E. Electronics and Instrumentation Engineering R-2025 Syllabus
Last Updated: October 2026