“GH.ASACHI” TECHNICAL UNIVERSITY of IAŞI Aproved

FACULTY OF MECHANICAL ENGINEERING DEAN

Prof.dr.eng. Spiridon Creţu

Academic year 2006-2007

SYLABUS

for the discipline:

Electronics Devices and Circuits, DCE

Specialties: Mechatronics, fourth year, first semester

Type of matter: compulsory matter

Courses holder: Assoc. Prof. Ph.D. Eng. Cristian Mihail Neacsu

Applicative activities holder: Assoc. Prof. Ph.D. Eng. Cristian Mihail Neacsu

Structure in curriculum:

Semester / Number of hours per week / Evaluation / Number of credits, K / Total number of hours / Total number of hours at matter
Course / Seminar / Laboratory
activities / Project activities / C / S / L / P
7 / 2 / - / 2 / - / Exam / 5 / 28 / - / 28 / - / 56

CONTENT

A. THE STRUCTURE OF THE COURSE

1.Passive Components and Circuits – 2 hours

Electrical signals used in electronics, notations, conventions, analog and digital signals. The ideal resistor, capacitor, and coil in direct current and sinusoidal regime. RC and RL circuits. Transfer functions, modulus and phase. Bode diagrams.

2.Semiconductor materials – 2 hours

Semiconductor types: intrinsic and extrinsic, n and p type. Semiconductor physics elements and electrical conduction. Pn junction: physical realization and functioning, functioning equation, direct polarization.

3.Silicium semiconductor diode- 2 hours

Current – voltage characteristic. Utilization circuit. Static biasing. Modelling. D. c. and a. c. functioning. Direct and reverse biasing. Zener diode and parametric stabiliser.

4.Bipolar transistor – 5 hours

Physical realization. Principle functioning. Input, output and transfer characteristics. Functioning regimes: normal turn on and turn off, saturation, shut off. D. c. functioning regime. Ebers – Moll equations and model. Base width modulation, Early effect. Dynamic functioning regime. Hybrid – pi model. Fundamental amplifiers: common emitter, base and collector (amplification, input and output resistance).

5.Negative feedback, properties - 3 hours

Amplifiers unilateralization. Miller effect. Feedback topologies. Influence of every feedback type upon input and output resistance.

6.Rectifiers with and without filtering: bridged and medium point monoalternance and bialternance. Voltage regulators – 2 hours

7.TEC-J, TEC-MOS, optoelectronic devices: photodiode, phototransistor, light emmiting diode, photoresistor – 2 hours.

Physical implementation, functioning, basic circuits.

8. Discrete oscillators – 2 hours

Positive feedback. Practical circuitry for RC, LC, quartz oscillators.

9. Operational amplifiers (OA) and analogical integrated circuits – 4 hours

Operational amplifier concept. Current sources. Active sources. Differential stages. D. c. shifting stages. Output stages. OA parameters. Practical OA types: μA 741, LM 201. Circuits using negative feedback for OA: inverting and noninverting amplifiers, differential amplifiers, followers. Offset and its compensation. OA applications: summing, subtraction, differential amplifiers, multipliers, logarithmic and exponential amplifiers, RMS-DC converters, integrator, differentiator, precision rectifier, comparators, oscillators.

10. Logical circuits – 4 hours

Logical functions. Boole algebra. De Morgan equations. Logical operators. Logical functions minimization. Logical functions synthesis using Veitch-Karnaugh diagram. TTL and CMOS families. Asynchronous and synchronous circuits. Flip-flops, counters, encoders, decoders, multiplexers, logical summing circuitry, oscillators.

B. THE STRUCTURE OF PRACTICAL APLICATIONS

1.  Laboratory apparatus utilization (Multimeters, d.c. supply sources, osciloscopes)

2.  I/V diode and Z-diode static characteristic

3.  Rectifiers with and without filtering: bridged and medium point monoalternance and bialternance

4.  Bipolar transistor: static characteristics

5.  Basic bipolar transistor amplifiers: gain, input resistors, bandwidth

6.  Basic bipolar transistor amplifiers: gain, input resistors, bandwidth

7.  Negative feedback

8.  Voltage regulators

9.  OA basic circuits

10.  Integrators and differentiators

11.  Precision rectifiers

12.  Logical operators

13.  Counters and decoders

14.  Recovery of laboratory activities

EVALUATION OF STUDENTS.

70% - exam;

30% - the activity at the laboratory hours;

BIBLIOGRAPHY
1. Circuite integrate electronice, P.R. Gray, R.G. Meyer, Editura Tehnica, Bucuresti, 1983
2. Dispozitive si circuite electronice, D. Dascalu, s.a., Editura Didactica si Pedagogica, Bucuresti, 1982.
3. Dispozitive şi circuite electronice, Mihail Florea, Editura „Gh. Asachi” Iaşi, 1999, ISBN 973-8050-19-7D.
4. Circuite electronice, Dascălu, L. Turic, I. Hoffman, Editura Didactică şi Pedagogică, Bucureşti, 1981
5. Circuite integrate liniare, A. M. Manolescu, A. Manolescu, I. Mihuţ, T. Mureşan, L. Turic, Editura Didactică şi Pedagogică, Bucureşti, 1983
6. Circuite integrate digitale, Gh. S. Ştefan, I. V. Drăghici, T. Mureşan, E. Barbu, Editura Didactică şi Pedagogică, Bucureşti, 1983

DISCIPLINE TITULAR,

Assoc. Prof. Ph.D. Eng. Cristian Mihail Neacsu

HEAD OF THE DEPARTMENT,

Fundamentals of Electronics,

Prof. Ph.D. Eng. Victor Grigoras