**ANNA UNIVERSITY, CHENNAI**

**A**

**FFILIATED INSTITUTIONS**

**R - 2008**

**B**

**.**

**E**

**. ELECTRICAL AND ELECTRONICS ENGINEERING**

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**EE2254 LINEAR INTEGRATED CIRCUITS AND APPLICATIONS**

**AIM**

To introduce the concepts for realizing functional building blocks in ICs, fabrications & application of ICs.

**i. To study the IC fabrication procedure.**

OBJECTIVES

OBJECTIVES

ii. To study characteristics; realize circuits; design for signal analysis using Op-amp ICs. iii. To study the applications of Op-amp.

iv. To study internal functional blocks and the applications of special ICs like Timers, PLL circuits, regulator Circuits, ADCs.

**UNIT I IC FABRICATION 9**

IC classification, fundamental of monolithic IC technology, epitaxial growth, masking and etching, diffusion of impurities. Realisation of monolithic ICs and packaging. Fabrication of diodes, capacitance, resistance and FETs.

**UNIT II CHARACTERISTICS OF OPAMP 9**

Ideal OP-AMP characteristics, DC characteristics, AC characteristics, offset voltage and current: voltage series feedback and shunt feedback amplifiers, differential amplifier; frequency response of OP-AMP; Basic applications of op-amp – summer, differentiator and integrator.

**UNIT III APPLICATIONS OF OPAMP 9**

Instrumentation amplifier, first and second order active filters, V/I & I/V converters, comparators, multivibrators, waveform generators, clippers, clampers, peak detector, S/H circuit, D/A converter (R- 2R ladder and weighted resistor types), A/D converter - Dual slope, successive approximation and flash types.

**UNIT IV SPECIAL ICs 9**

555 Timer circuit – Functional block, characteristics & applications; 566-voltage controlled oscillator circuit; 565-phase lock loop circuit functioning and applications, Analog multiplier ICs.

**UNIT V APPLICATION ICs 9**

IC voltage regulators - LM317, 723 regulators, switching regulator, MA 7840, LM 380 power amplifier, ICL 8038 function generator IC, isolation amplifiers, opto coupler, opto electronic ICs.

**L = 45 TOTAL = 45PERIODS**

**TEXT BOOKS**

1. Ramakant A.Gayakward, ‘Op-amps and Linear Integrated Circuits’, IV edition, Pearson Education, 2003 / PHI. (2000)

2. D.Roy Choudhary, Sheil B.Jani, ‘Linear Integrated Circuits’, II edition, New Age, 2003.

**REFERENCES**

1. Jacob Millman, Christos C.Halkias, ‘Integrated Electronics - Analog and Digital circuits system’, Tata McGraw Hill, 2003.

2. Robert F.Coughlin, Fredrick F.Driscoll, ‘Op-amp and Linear ICs’, Pearson Education, 4th edition, 2002 / PHI.

3. David A.Bell, ‘Op-amp & Linear ICs’, Prentice Hall of India, 2nd edition, 1997

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