Professor Gabriel Oltean, PhD




    0  Introduction
    1  Transistor Digital Circuits
    2  Transistors Biasing
    3  Transistors. Small-Signal Models
    4  Basic Amplifiers with One Transistor
    5  Frequency Response: CS and CE.  Cascode Amplifier
    6  Current Sources and Current Mirrors
    7  Power Amplifiers. Class A
    8  Class B and Class AB  Power Amplifiers
    9  Feedback Circuits
    10  DC Voltage Regulators
    11  Integrated Voltage Regulators
    12  Switched Mode Power Supply
    13  Sinusoidal Oscillators
    14  Nonsinusoidal Oscillators
    15  555 Timer
    16 Class D Power Amplifier
    17 Recapitulation



L1    Introductory laboratory. Safety at work.

L2    Collecting Experimental Data using the Computer

L3    Bipolar Digital Circuits

L4    Single-Stage BJT Amplifiers. Common Emitter

L5    Single-Stage BJT Amplifiers. Common Collector, Common Base

L6    Class B Power Amplifier

L7    Effects of Negative Feedback on an Amplifier

L8    LM 7805  Voltage Regulator

L9    DC-DC Converter

L10  Multivibrator Circuits using the 555 Timer

L11  Sinusoidal Oscillator

L12  Laboratory Test

L13  Function Generator

L14  Concluding Laboratory




  Homework solutions


H5 - Non-sinusoidal generators, 21.12.2017

H5 submission: 11.01.2017, 9:00, in the classroom


H4 - Sinusoidal oscillators, 14.12.2017

H4 submission: 21.12.2017, 9:00, in the classroom


H3 - Linear voltage regulators, 07.12.2017

H3 submission: 14.12.2017, 9:00, in the classroom


H2 - Power amplifiers, 09.11.2017

H2 submission: 16.11.2017, 9:00, in the classroom


H1 - Amplifiers with one transistor, 26.10.2017

H1 submission: 2 November 2017, 9:00, in the classroom

    >> Proposed problems          Circuit diagram


Electronic circuit simulator


On-line simulator


One can simulate the existing circuits  (selected from "Circuits" menu) or new circuits created by the user ("Circuits/Blank Circuit" menu). New circuits are automatically saved; to access them later, their link should be exported ("File/Export Link")