Subject description
Unipolar transistor (FET) and basic amplifier stages. Bipolar transistor (BJT) and basic amplifier stages. DC circuit analysis for determining quiescent point, small signal analysis and calculation of circuit transfer function.
Frequency response. Circuit transfer function and Bode plots. Frequency response of FET and BT. Current mirrors and active loads. Current mirrors with FET and BT. Active loads with FET and BT.
Differential and multi-stage amplifiers. Differential stage: basic principle of operation, DC and AC model, differential and common mode input signal, CMRR of FET, MOSFET and JFET. Simple implementation of operational amplifier with differential BT and output stage.
Feedback. Concept of feedback, advantages and disadvantages. Analysis of circuits with feedback. Feedback influence on gain and bandwidth. Basic feedback topologies and examples of circuits with feedback. Feedback and stability. Nyquist stability criterion, gain and phase margins. Principle of frequency compensation. Design application: MOSFET feedback circuit.
The subject is taught in programs
Electrical engineering 1st level
Objectives and competences
Solid knowledge of linear electronics and basic amplifier stages, analysis and modeling, frequency response, feedback and stability. Gained knowledge forms the solid basis for all further courses on analog and mixed signal electronic circuits.
Teaching and learning methods
Lectures and tutorials.
Expected study results
Student will master analysis of electronic circuits, linear electronics, single and multi-stage amplifiers, frequency response, feedback and stability.
Basic sources and literature
1. NEAMEN, Donald A. Microelectronics: Circuit Analysis and Design. 4th Edition. McGraw-Hill. 2011.
2. ŽEMVA, Andrej. Linearna elektronika.Gradivo za laboratorijske vaje. 2014.
Stay up to date
University of Ljubljana, Faculty of Electrical Engineering Tržaška cesta 25, 1000 Ljubljana