THIAGARAJAR COLLEGE OF ENGINEERING: MADURAI – 625 015 ...

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Unit I: Operational Amplifier Introduction: Introduction to linear integrated circuits – Types -developments of ICs – Basic information of op-amp -- DC Characteristics – Input offset voltage – Input bias circuit – Input offset current – Thermal drift –AC Characteristics - Frequency response – Stability. (10 Periods) Unit II: Operational Amplifier Specifications: Definition of terms : Input resistance, unity – Gain B.W, large signal voltage gain, input offset voltage, input bios current, input offset current, CMRR, output voltage swing, slew – rate, power B.W, use of manufactures data sheets for various op-amps. Exact and approximate output voltage due to VI0, IB and Iios, Use of compensating resister to minimize output voltage. Input resistance for inverting, non- inverting and source follower circuits. (10 Periods) Unit III: Op-amp applications: Summer – Subtractor – adder and subtractor – Instrumentation amplifier – AC amplifier- DC amplifier – V to I and I to V converters - Op-Amp circuits using diodes – sample and hold circuit – log and antilog amplifiers- Multipliers and dividers – Differentiator and integrator. (10 Periods) Unit IV: Comparator, Voltage Regulators and 555 Timer: Comparator – Regenerative comparator – Square wave generator –Monostable Multivibrator- Triangular wave generator - Sine wave generator – Regulators – Series op-amp regulator- IC voltage regulator -723 General Purpose regulator – Switching regulator - 555 Timer - functional diagram – Monostable and Astable operation – Schmitt trigger. (10 Periods) Unit V: DAC, PLL and Filters: PLL- Principle of PLL –Phase detector – VCO – Monolithic PLL- PLL applications – Basic DAC techniques – DAC/ADC specifications – Review of filter basics – Order of response and number poles concept – Advantages of and limitations of active filters – One op-amp realization of single pole LP, HP, Switched capacitor filter. (10 Periods) Text books: 1. Stanley, “Operation Amplifiers with Linear Integrated Circuits”, 4 th Edition, Prentice Hall, 2002 2. D.Roy Choudhury and Shail Jain, “Linear Integrated Circuits” New Age international (P) Ltd. 1998. Reference Books: 1. Ramakant A. Gayakwad, “Op- Amps and linear integrated Circuits”, Prentice Hall of India, 1997. 2. Jacob, “Applications & Design with Analog Integrated Circuits”, Reston Publications,1999 D34 NETWORK ANALYSIS AND SYNTHESIS Unit – I: Network Analysis: Terminal ports – Network functions for one part and two port- Ladder network – General networks – Poles and zeros of network functions- Restrictions on pole and zero Locations for driving point functions and transfer functions – Time domain behavior from the poles and zero plot – Stability of active networks. (10 Periods) Unit – II: Two Port Parameters: Relationship of two port variables – Open circuit impedance parameters, short circuit admittance parameters – Transmission (ABCD) parameters – Hybrid (h) parameters – Inverse hybrid (h) and transmission parameters – Relationships between parameters sets parallel connection of two
port networks – T and TT representation – Lattice networks – Image parameters. (10 Periods) Unit – III: Network Synthesis : Hurwitz polynomials – Positive real functions- Synthesis of reactive one port by Foster and Cauer method – Synthesis of RL & RC, and LC networks by Foster and Cauer methods. Synthesis of Lattice Networks: Impedance equations – Synthesis of loaded and unloaded lattice networks – Lattice decomposition . (10 Periods) Unit – IV: Filters: Butterworth form of response – Chebyshev form of response –Frequency transformation- First order low pass and high pass Butterworth filters – Band pass and band reject filters – All pass filters -Higher order active filters - Design of constant – K, M – derived and composite filters. (10 Periods) Unit – V: Attenuators & Equalizers: Attenuators-T – type Attenuator – Type Attenuator- Lattice Attenuator – Bridged -T attenuator - L Type Attenuator – Equalizers-Inverse Networks – Series Equalizer – Full Series Equalizer- Shunt Equalizer – Full Shunt Equalizer- Constant Resistant Equalizer – Bridged – T Attenuation Equalizer – Bridged –T Phase Equalizer- Lattice Attenuation Equalizer – Lattice Phase Equalizer. (10 Periods) Text Books: 1. M.E. Van Valken Burg, “Network Analysis”, PHI Third Edition, 1989. 2. M.E.Van Valken Burg, “Network Synthesis”, PHI ,1989. Reference Books: 1. Umesh Sinha, “Network Analysis and Synthesis”, Satya Prakashan, 1997. 2. Sudhakar A and Shyammohan SP, “Circuits and Networks – Analysis and Synthesis”, Tata McGraw Hill, 2001. 3. Frankelin Kuo, “ Network analysis & Synthesis”, McGrawHill, 1990 4. Ram Gayakwad, “Op-Amps and Linear Integrated Circuits”, Prentice Hall, 4th Edition, 1999 D35 SIGNALS AND SYSTEMS Unit – I: Signal and System Modeling Concepts: Introduction – Signal Models – Energy and Power Signals – Energy and Power Signal Densities; System Modeling and Analysis in the Time Domain: Introduction – System Modeling Concepts – Superposition Integral for fixed, Linear Systems – Impulse Response of Fixed, Linear Systems – Superposition Integrals In terms of Step Response – Frequency Response Function of Fixed, Linear System. (10 Periods) Unit – II: Fourier Series: Introduction – Trigonometric Fourier Series for Periodic Signals - Complex Exponential Fourier Series – Symmetry Properties – Parseval’s Theorem – Steady-state response of Fixed, Linear System ; Fourier Transform: Introduction – Fourier Integral – Energy Spectral Density – Fourier Transform Theorems – System Analysis – Steady-state System Response. (10 Periods) Unit – III: Laplace Transform: Introduction – Laplace Transform Theorems – Inversion of Rational Functions – Inverse Laplace Transform; State-Variable Techniques: Introduction – State Equations – Time Domain Solution – Frequency Domain Solution – State Transition Matrix – State Equations for Electrical Networks, Transfer Functions. (10 Periods) Unit – IV: Discrete-Time Signals and Systems: Introduction – ADC – The Z-Transform – Linearity – Initial Value and Final Value Theorem – Inverse Z-Transform -Difference Equations and Discrete-Time
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