Universitatea Babeş-Bolyai Cluj-Napoca
Facultatea de Matematică şi Informatică
Ciclul de studii: Licenţă
Domeniul: Calculatoare şi tehnologia informaţiei
Programul de studii: Ingineria informatiei - in limba engleza
Limba de predare: Engleză

SYLLABUS

I. General data
Code	Subject	
MMF0002	Electrotechnics	

Semester	Hours: C+S+L	Category	Status	
2	2+0+2		compulsory	

II. Full status faculty members
Name and	Scientific	Didactic	Chair	Type of activity	
surname	title	title		C	S	L	
GREBLA Horea Adrian	Ph.D.	Lect.	Computer Systems	*			

Associated faculty members
Name and	Scientific	Institution	Type of	Type of activity	
surname	title		position	C	S	L	

III. Course objectives
In the first part the intention is to present static electric fields, Conductors and charges , sources of voltage (emf) and steady electric current, the magnetic field and magnetic force in free space. The second part covers topics related to Maxwell's equations, transmission lines, circuit theory. Third part deals with methods and theorems for the analysis of the a.c. Last part covers semiconductors, logical gates and data transmission and reception.	

IV. Course contents
Courses:

Course part 1:
1.	Basic physical concepts:
a.	Atoms, protons, neutrons, electrons
b.	Compounds, molecules
c.	Conductors, insulators, resistors, current
d.	Static electricity, electromotive force
2.	Electrical units
a.	Volt, ampere, ohm, siemens
b.	Watt, watt hour, other energy units
3.	Measuring devices
a.	Electromagnetic and electrostatic deflection
b.	Ammeter, Voltmeter, Ohmmeter, Multimeter, Wattmeter

Course part 2:
1.	D.C. Circuits
a.	Symbols, diagrams
b.	Ohm’s Law, current, voltage, resistance, power calculations
c.	Resistances in series, parallel, division of power
2.	D.C. Circuit analysis
a.	Currents through series/parallel resistance
b.	Voltage through series/parallel resistance
c.	Power distribution in series/parallel circuits

Course part 3:
1.	A.C.  Current
a.	Definition, period and frequency
b.	Waves, wave forms, frequency spectrum
c.	Phase difference, amplitude
2.	Inductance
a.	Property of inductance
b.	Practical inductors, inductors in series, parallel
3.	Capacitance
a.	Property of capacitance
b.	Practical capacitances, capacitances in series, parallel
4.	Phase
a.	Instant voltage and current, rate of change, degrees of phase
b.	Phase coincidence, phase opposition
c.	Leading phase, lagging phase

Course part 4:
1.	Inductive reactance
a.	Coils and dc/ac current
b.	Points and vectors in RL plane
c.	Inductance and resistance
2.	Capacitive reactance
a.	Capacitors and dc/ac current
b.	Points in RC plane
c.	Reactance and frequency
3.	Impedance and admittance
a.	Vector representation of impedance
b.	Vector representation of admittance
4.	RLC circuit analysis
a.	Series RLC circuits
b.	Parallel GLC circuits
c.	Ohm’s Law for ac circuits
5.	Power an resonance in ac circuits
a.	Power transmission
b.	Series/parallel resonance
6.	Transformers 
a.	Principle of transformers
b.	Power transformers
c.	Isolation transformers

Course part 5:
1.	Semicoductors
a.	Materials, electron flow, hole flow
b.	P-N Junction
c.	Junction capacitance, avalanche effect
2.	Diodes
a.	Rectification, detection, frequency multiplication
b.	Mixing, switching, voltage regulation
c.	Oscillation and amplification, energy emission
3.	Power supplies
a.	Power transformer, diode
b.	Half-wave/full wave/bridge rectifier
c.	Voltage regulation
4.	Bipolar transistor
a.	NPN vs. PNP
b.	NPN/PNP biasing
c.	amplification
5.	Field-effect transistor
a.	JFET
b.	N-channel/P-channel
c.	JFET biasing
d.	MOSFET

Course part 6:
1.	Amplifiers
a.	Bipolar amplifier
b.	FET amplifier
c.	Class A, AB, C amplifiers
2.	Oscillators
a.	Use, concept
b.	Armstrong, Hartley, etc…
c.	Diode oscillators
3.	Data transmission
a.	Carrier wave, Morse code
b.	Amplitude modulation
c.	Frequency, phase modulation
d.	Analog to digital conversion
e.	Transmission media
4.	Data reception
a.	Receivers
b.	AM, CW, FSK, SSB, FM, PM signals
c.	Digital to analog conversion
5.	Integrated circuits
a.	Types of ICs
b.	Bipolar IC
c.	MOS IC
d.	IC memory
6.	Digital principles
a.	Logic signals
b.	Logic operations
c.	Flip-flop, counter, register

V. Bibliography
1. John Bird, Electrical and Electronic Principles and Technology, Newnes, 2003, ISBN 0750657782
2. Charles K. Alexander, Fundamentals of Electric Circuits, McGraw Hill Professional, 2008
3. S.D.Anghel - Fundaments of analogic and digital electronics, Cluj, Romania, University Press, 2007	

VI. Thematic of didactic activities per weeks
Laboratories:

1-	Work safety; Introducing components and measurement devices;
2-	Ohm’s Law; Plain Capacitor;
3-	Resistance temperature coefficient analisys for metals; Rezistance temperature coefficient analisys for semiconductors;
4-	Study of Resonance phenomenon; Transitory RC; Wheatstone Bridge;
5-	Semiconductors behavior; Photoresistance and Photodiode;
6-	Semiconducting diode;
7-	Bipolar Transistor and Field Effect Transistor;
8-	Operational Amplifier;
9-	Logical Gates;
10-	Combinatory Logical Circuits;
11-	Secvential Logical Circuits;
12-	Multiplexing and Demultiplexing;	

VII. Didactic methods used
Exposition, didactical demonstration, modeling	

VIII. Assessment
Writing exam at the end of the course. The mark is composed by:
-	theoretical knowledge exam: 40%
-	lab activity mark: 40%
-	practical project: 20%	

IX. Additional references

	Dean,							Chair head,

	Date,						           Course responsible,
							           Lect. ing. GREBLA Horea Adrian, Ph.D.