Electronics 390-ERS-2ELE
Wykład (WYK) Rok akademicki 2021/22

After successfully studying course of Electronics students will be able to:

1. Understand the basic electrical engineering principles and abstractions on which the design of electronic systems is based. These include lumped circuit models, digital circuits, and operational amplifiers;

2. Understand the physical bases of solid state electronics;

3. Build circuits and take measurements of circuit variables using tools such as oscilloscopes, multimeters, and signal generators. Compare the measurements with the behavior predicted by mathematic models and explain the discrepancies;

4. Analyze problems in the field of basic electronics and find their solutions, analyze and formulate conclusions;

5. Use literature and Internet resources to understanding and solving the problems of electronics;

6. Use teamwork skills laboratory, assuming the role of the leader or the coordinator of the experiment;

7. Organize a work and take responsibility for results of his work;

8. Appreciate the practical significance of the systems developed in the course.

Lecture:

Basic Principles of Electronics.

Analog signal, Digital signal. DC and AC voltage; Ohm Law, Kirchhoff’s Laws: KCL, KVL; Gain (Transmittance) of circuits.

Passive electronics elements: resistors, capacitors, inductors; parameters.

RC and LR circuits (filters)

Low-pass filter; High-pass filter; Band- pass filters; Resonance circuits.

Frequency response of simple RC circuits.

Amplification of step voltages and pulses.

Semiconductor materials, crystal structures, basic of quantum theory and band theory.

Introduction to p-n junction theory: electrostatics; ideal p-n diode equation. Non-ideal diode description. DC voltage-current characteristics, temperature effects. Reverse bias transition capacitance.

Charge storage and transient behavior. Real diode small- and large- signal models. Junction breakdown;

The Zener, Capacitance, LED, Photodiode and other special types of diodes.

Metal-semiconductor junctions: Schottky diodes, non-rectifying contacts, tunneling.

Bipolar Junction Transistors (BJT); principles of operation; derivation of voltage-current and current gain expressions. DC and AC models and equivalent circuits. Frequency response.

The small-signal models of BJT.

BJT amplifiers configurations – OE, OB and emitter follower. (OC) Benchmark parameters for different configurations.

Theory of Junction Field Effect Transistor (JFET); dc characteristics and ac performance.

Two-terminal MOS structure, MOS capacitors, flat-band and threshold voltages.

Static MOS transistor (MOSFET), principle of working, its equivalent circuit.

MOSFET biasing and amplifier configurations – CS, CG and CD.

Comparison transistors: BJT and MOSFET.

Basic classes of amplifiers. Input and output impedance.

OpAmp as a Black Box. Negative voltage feedback Analysis of linear applications with OpAmps – inverting and non-inverting, voltage follower, adder and subtracter.

Behavioral description of open loop OpAmp’s gain. Gain-bandwidth exchange in OpAmp circuits. Other OpAmp non-idealities and their impact on application performance.

Analysis of linear applications: OpAmp Integrator, OpAmp Differentiators for integration and differentiation configuration, converter current- voltage

OpAmp RC Active filters. Types of filters. Parameters.

Comparators, principle, parameters. Real comparators, with hysteresis loop, without hysteresis loop; Circuits with positive feedback; The RC oscillator

Power supplies

Basic rectifying circuits, - full wave rectifying circuits.

Smoothing circuits: π- sections filters

Other forms of power supply

Electronic regulation of power supplies

Digital Logic Elements:

Boolean Logic, Basic Logic function and selected complex functions.

The Basic of Digital circuits:

Logic gates

Decoders, Converter

Multiplexers, Demultiplaxers

Flip-flops type: D, RS, T, JK;

Counters - using Flip-flops (binary and BCD counters)

Logic gates; Parameters of logic gate design: e.g. TTL, CMOS

Analysis of selected logic gate design.

Converters D/A and A/D

Principles of working of selected converters; parameters.