Electronics 2

Course Description

Differential amplifiers, differential and common voltage gain, common-mode rejection ratio, transfer characteristics. Class A, B and AB power amplifiers. Amplifier frequency characteristics, low frequency and high frequency analysis. Properties of feedback amplifiers, feedback topologies, analysis of feedback amplifiers. Stability of feedback amplifiers, stability analysis, frequency compensation. Sinusoidal oscillators, positive feedback, typical sinusoidal oscillator circuits. Analog integrated circuits, operational amplifiers, integrated regulators

General Competencies

Understanding advanced analog circuits characteristics. Understanding and usage of electronic circuits analysis and design techniques.

Learning Outcomes

  1. describe the properties of differential amplifiers
  2. combine the basic amplifier stages of multistage amplifiers
  3. describe the specificity of power amplifiers
  4. distinguish the impact of capacity at low and at high frequencies
  5. calculate the amplifier time constants
  6. analyze complex feedback amplifiers
  7. identify the stability of the feedback amplifier
  8. describe the sinusoidal oscillators operation

Forms of Teaching



Laboratory Work

laboratory exercises



Grading Method

Continuous Assessment Exam
Type Threshold Percent of Grade Comment: Percent of Grade
Laboratory Exercises 0 % 12 % 0 % 12 %
Mid Term Exam: Written 0 % 30 % 0 %
Final Exam: Written 0 % 30 %
Final Exam: Oral 28 %
Exam: Written 0 % 50 %
Exam: Oral 38 %

Before final exam students must have completed all laboratory exercises.

Week by Week Schedule

  1. BJT differential amplifier.
  2. FET differential amplifier.
  3. Multistage amplifiers.
  4. Darlington configuration. Power amplifiers. Power amplifier classification. Class A power amplifier. Class B power amplifier.
  5. Crossover distortion. Class AB power amplifier. Power transistors. Amplifier frequency response. Bode plot.
  6. Common-emitter and amplifier at low frequencies.
  7. Common-source amplifier at low frequencies.
  8. Midterm exam.
  9. Common-emitter and common-source amplifiers at high frequencies. Common-base amplifier and cascode amplifier at high frequencies.
  10. Common-collector amplifier at high frequencies. Feedback amplifiers. Feedback structure. Effect of negative feedback on amplifier properties. Feedback topologies. Effect of negative feedback on input and output resistance.
  11. Feedback amplifier analysis.
  12. Stability of feedback amplifiers. Effect of feedback on amplifier poles. Nyquist plot and Nyquist criterion of stability. Stability study using Bode plots.
  13. Frequency compensation. Sinusoidal oscilators. Barkhausen criterion of oscillations. RC oscilators. LC and crystal oscilators.
  14. Analog integrated circuits. Current sources in integrated circuits. Basic integrated amplifiers. Differential integrated-circuit amplifiers. Operational integrated-circuit amplifiers.
  15. Final exam.

Study Programmes

University undergraduate
Electronic and Computer Engineering (module)
(5. semester)
Electronics (module)
(5. semester)
Wireless Technologies (module)
(5. semester)



Ž. Butković (2013.), Elektronika 2, Fakultet elektrotehnike i računarstva, Zagreb - interna skripta
A.S. Sedra, K.C. Smith (2011.), Microelectronic Circuits, 6th ed., Oxford University Press
R.C. Jaeger, T.N. Blalock (2011.), Microelectronic Circuit Design, 4th ed., McGraw-Hill

Grading System

ID 34299
  Winter semester
L1 English Level
L1 e-Learning
45 Lecturers
0 Exercises
15 Laboratory exercises


87 Excellent
75 Very Good
62 Good
50 Acceptable