WITH EFFECT FROM THE ACADEMIC YEAR 2016 - 2017
EC302
PULSE AND DIGITAL CIRCUITS
Instructions 4 Periods per week
Duration of University Examination 3 Hours
University Examination 75 Marks
Sessional 25 Marks
Objectives: Student will be able to
- 1.Analyze response of different inputs to RC low pass and high pass circuits
- 2.
- 3.Design Bistable, Monostable and Astable Multivibrators using discrete components and analyze voltage and current sweep circuits and identify methods to mitigate sweep errors.
- 4.Classify different ICs, calculate IC characteristics and analyze basic gates with DTL, TTL, ECL, logic family and design their interfacing circuits
- 5.Build basic gates with MOS and CMOS logic family and design their interfacing circuits
UNIT I:
LINEAR WAVESHAPING: High pass, low pass RC circuits, their response for sinusoidal, step, pulse, square and ramp inputs. RC network as differentiator and integrator, attenuators, RL and RLC circuits and their response for step input.
UNIT II:
NON-LINEAR WAVE SHAPING:
Diode clippers, Transistor clippers, clipping at two independent levels, Transfer characteristics of clippers, Emitter coupled clipper, Comparators, Applications of voltage comparators, clamping operation, Clamping circuits using diode with different inputs, Clamping circuit theorem, practical clamping circuits, Transfer characteristics of clampers.
Transistor as a switch, Design of transistor switch, transistor-switching times.
UNIT III:
MULTIVIBRATORS: Design and Analysis of Bistable, Monostable, Astable Multivibrators and Schmitt trigger using transistors,
TIME BASE GENERATORS: General features of a time base signal, Speed, transmission and displacement errors. Analysis and Design of Sweep circuits using UJT and SCR.
UNIT IV:
Manufacturer’s designations for integrated circuits, Integrated circuit package types, Pin identifications and temperature ranges, IC characteristics, Logic Families: DTL, TTL logic family, TTL series, output configuration: Open collector, Totem pole, Tri state logic. ECL logic Family
UNIT V:
MOS logic Family (PMOS and NMOS), CMOS logic family and characteristics, CMOS transmission gate (bilateral switch) and its applications,
CMOS open drain and high impedance output, CMOS inverter, NAND and NOR gates, Interfacing CMOS and TTL, Comparison of TTL, CMOS and ECL logic families.
TEXT BOOKS:
1. Pulse, Digital and Switching Waveforms - J. Millman and H. Taub, McGraw-Hill, 1991.
2. Pulse, Switching and Digital Circuits, 5/e, - David A. Bell, Oxford University Press, 2015.
3. Fundamentals of Pulse and Digital Circuits- Ronald J. Tocci.
4. R P Jain, “Modern Digital Electronics” 3/e TMH 2003