Engineering Tutorials

EE-204-E                 DIGITAL ELECTRONICS

CLASS WORK     :    50
EXAM            :    100

UNIT 1  FUNDAMENTALS OF DIGITAL TECHNIQUES :
Digital signal, logic gates: AND, OR, NOT, NAND, NOR,  EX-OR,  EX-NOR, Boolean algebra. Review of Number systems. Binary codes: BCD, Excess-3, Gray,   EBCDIC,  ASCII, Error detection and correction codes. 

UNIT 2   COMBINATIONAL DESIGN USING GATES:
Design using gates, Karnaugh map and Quine Mcluskey methods of  simplification.

UNIT 3   COMBINATIONAL DESIGN USING MSI DEVICES
Multiplexers and Demultiplexers and their use as logic  elements, Decoders, Adders / Subtractors,  BCD  arithmetic circuits, Encoders, Decoders / Drivers  for   display   devices.

UNIT 4   SEQUENTIAL CIRCUITS:
Flip  Flops : S-R,  J-K, T, D, master-slave, edge triggered, shift  registers,  sequence  generators, Counters,  Asynchronous and  Synchronous Ring counters and Johnson Counter, Design of Synchronous and Asynchronous sequential circuits.

UNIT 5   DIGITAL LOGIC FAMILIES:
Switching mode operation of p-n junction, bipolar and  MOS. devices.  Bipolar  logic families:RTL, DTL, DCTL, HTL, TTL,  ECL, MOS,  and  CMOS logic families. Tristate logic,  Interfacing  of CMOS and TTL families.

UNIT 6   A/D AND D/A CONVERTERS:
Sample and hold circuit, weighted resistor and R -2 R ladder D/A Converters, specifications for
D/A converters. A/D converters : Quantization, parallel -comparator, successive approximation, counting type, dual-slope ADC, specifications of ADCs.

UNIT 7   PROGRAMMABLE LOGIC DEVICES:
ROM, PLA, PAL, FPGA and  CPLDs.

TEXT BOOK :
1.  Modern  Digital Electronics(Edition III) :   R. P. Jain; TMH

REFERENCE BOOKS :
1. Digital Integrated Electronics : Taub & Schilling; MGH
2. Digital  Principles and Applications  : Malvino & Leach; McGraw Hill.
3. Digital Design : Morris Mano; PHI.

NOTE : Eight questions are to be set in all by the examiner taking at least one question  from each  unit.  Students will be required to attempt five  questions in all.

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