Electronics and communication engineering



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OUTCOMES





    • Design circuits using operational amplifiers for various applications.

    • Analyze and design amplifiers and active filters using Op-amp.

    • Diagnose and trouble-shoot linear electronic circuits.

    • Understand the gain-bandwidth concept and frequency response of the amplifier configurations.

    • Understand thoroughly the operational amplifiers with linear integrated circuits.






III Year - I Semester



DIGITAL IC APPLICATIONS

L T P C

4 0 0 3


OBJECTIVES
The main objectives of this course are:


    • Introduction of digital logic families and interfacing concepts for digital design is considered.

    • VHDL fundamentals were discussed to modeling the digital system design blocks.

    • VHDL compilers, simulators and synthesis tools are described, which are used to verify digital systems in a technology-independent fashion.

    • Design and implementation of combinational and sequential digital logic circuits is explained.

Outcomes:



At the end of this course the student can able to:


    • Understand the structure of commercially available digital integrated circuit families.

    • Learn the IEEE Standard 1076 Hardware Description Language (VHDL).

    • Model complex digital systems at several levels of abstractions, behavioral, structural, simulation, synthesis and rapid system prototyping.

    • Analyze and design basic digital circuits with combinatorial and sequential logic circuits using VHDL.

Syllabus: UNIT-I


Digital Logic Families and Interfacing: Introduction to logic families, CMOS logic, CMOS steady state and

dynamic electrical behavior, CMOS logic families. Bipolar logic, transistor-transistor logic, TTL families, CMOS/TTL interfacing, low voltage CMOS logic and interfacing, Emitter coupled logic.


(Text book-1)



UNIT-II

Introduction to VHDL: Design flow, program structure, levels of abstraction, Elements of VHDL: Data types, data objects, operators and identifiers. Packages, Libraries and Bindings, Subprograms. VHDL Programming using structural and data flow modeling.

(Text book-2)



UNIT-III

Behavioral Modeling: Process statement, variable assignment statement, signal assignment statement, wait statement , if statement, case statement ,null statement, loop statement, exit statement, next statement ,assertion statement, more on signal assignment statement ,Inertial Delay Model, Transport Delay Model ,Creating Signal Waveforms, Signal Drivers , Other Sequential Statements , Multiple Processes. Logic Synthesis, Inside a logic Synthesizer.

(Text book-2)


UNIT-IV

Combinational Logic Design: Binary Adder-Subtractor, Ripple Adder, Look Ahead Carry Generator, ALU, Decoders, encoders, multiplexers and demultiplexers, parity circuits, comparators, Barrel Shifter, Simple Floating- Point Encoder, Dual Priority Encoder, Design considerations of the above combinational logic circuits with relevant Digital ICs, modeling of above ICs using VHDL.

(Text book-1)



UNIT-V

Sequential Logic Design: SSI Latches and flip flops, Ring Counter, Johnson Counter, Design of Modulus N Synchronous Counters, Shift Registers, Universal Shift Registers, Design considerations of the above sequential logic circuits with relevant Digital ICs, modeling of above ICs using VHDL.

(Text book-1)



UNIT-VI:

Synchronous and Asynchronous Sequential Circuits: Basic design steps: State diagram, state table, state assignment, choice of flip flops and derivation of next state and output expressions, timing diagram. State assignment problem: One hot encoding. Mealy and Moore type FSM for serial adder, VHDL code for the serial adder. Analysis of Asynchronous circuits, State Reduction, State Assignment. A complete design example: The vending machine controller.

(Reference text book- 1)



Text Books:


  1. Digital Design Principles & Practices – John F. Wakerly, PHI/ Pearson Education Asia, 3rd Ed., 2005.

  2. VHDL Primer – J. Bhasker, Pearson Education/ PHI, 3rd Edition.



References:

1. Fundamentals of Digital Logic with VHDL Design- Stephen Brown, ZvonkoVranesic, McGrawHill, 3rd Edition.






III Year - I Semester



DIGITAL COMMUNICATIONS

L T P C

4 0 0 3



UNIT I

PULSE DIGITAL MODULATION: Elements of digital communication systems, advantages of digital communication systems, Elements of PCM: Sampling, Quantization & Coding, Quantization error, Companding in PCM systems. Differential PCM systems (DPCM). Delta modulation, its draw backs, adaptive delta modulation, comparison of PCM and DM systems, noise in PCM and DM systems.

UNIT II


DIGITAL MODULATION TECHNIQUES: Introduction, ASK, FSK, PSK, DPSK, DEPSK, QPSK, M-ary

PSK, ASK, FSK, similarity of BFSK and BPSK.



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