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CY-304 · Digital Systems/Official Syllabus

Digital Systems (CY-304) - Official Syllabus

1
Unit 1

Review of number systems and Boolean algebra

  • Review of number systems and number base conversions
  • Binary codes
  • Boolean algebra
  • Boolean functions
  • Logic gates
  • Simplification of Boolean functions, Karnaugh map methods
  • SOP-POS simplification
  • NAND-NOR implementation
2
Unit 2

Combinational Logic

  • Half adder, Half subtractor
  • Full adder, Full subtractor
  • Look-ahead carry generator
  • BCD adder
  • Series and parallel addition
  • Multiplexer - demultiplexer
  • Encoder- decoder
  • Arithmetic circuits, ALU
3
Unit 3

Sequential logic

  • Flip flops, D, T, S-R, J-K
  • Master-Slave, racing condition
  • Edge & Level triggered circuits
  • Shift registers
  • Asynchronous and synchronous counters, their types and state diagrams
  • Semiconductor memories
  • Introduction to digital ICs 2716, 2732 etc. & their address decoding
  • Modern trends in semiconductor memories such as DRAM, FLASH RAM etc.
  • Designing with ROM and PLA
4
Unit 4

A/D & D/A convertors and Multivibrators

  • Introduction to A/D & D/A convertors & their types
  • Sample and hold circuits
  • Voltage to Frequency & Frequency to Voltage conversion
  • Multivibrators: Bistable, Monostable, Astable
  • Schmitt trigger
  • IC 555 & Its applications
  • TTL, PMOS, CMOS and NMOS logic
  • Interfacing between TTL to MOS
5
Unit 5

Introduction to Digital Communication

  • Nyquist sampling theorem
  • Time division multiplexing
  • PCM
  • Quantization error
  • Introduction to BPSK & BFSK modulation schemes
  • Shannon's theorem for channel capacity

Laboratory Experiments

  • To study and verify the truth tables of various Logic gates
  • To verify the properties of NAND and NOR gates as Universal Building Blocks
  • Simplification and implementation of a Boolean function
  • Implementation of basic Boolean arithmetic logic circuits such as Half-adder, Half-subtractor, Full adder and Full subtractor
  • Conversion from Binary to Gray and Gray to Binary code
  • To construct a binary multiplier using combinational logic and to verify with the truth table
  • To verify 2-bit Magnitude comparator for all possible conditions
  • Generation of various logical functions using 8-to-1 multiplexer
  • Construction of a 4-bit ripple counter and study of its operation
  • Operation of IC-555 Timer as Monostable, Astable and Bistable multivibrators
  • To characterize binary ladder type digital to analog (D/A) and analog to digital (A/D) convertor
  • Comparison of various Logic families
  • Design and implementation of various types of flip-flops using JK flip-flop
  • To study natural sampling of continuous time waveforms using different sampling rates
  • To study Pulse-Code modulation with Time-division multiplexing (PCM-TDM)
  • To study generation and detection of BPSK and QPSK waveforms

Reference Books

  • Digital Circuits & Logic Design — Morris Mano — PHI
  • Digital Electronics — Gothman — PHI
  • Digital Electronics — Tocci — PHI
  • Digital Principles & Applications — Mavino, Leach — PHI
  • Digital Integrated electronics — Taub, Schilling
  • Introduction to Analog & Digital Communication — Simon Haykin — Wiley
  • Modern analog & digital communication — B. P. Lathi — Oxford University
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