Course detail

CAD of Electronic Circuits.

FEKT-KREOAcad. year: 2009/2010

Basic stages of computer-aided electronic design. Overview of modern simulation programs and their features. Basic principples of numerical and symbolical circuit analysis. Detailed presentation of the simulation program PSPICE and Snap. Circuit elements, their properties and models. Model identification from measured data. Statistical analysis and optimization. Computer aided design of elementary electronic functional blocks.

Language of instruction

Czech

Number of ECTS credits

5

Mode of study

Not applicable.

Guarantor

prof. Dr. Ing. Zdeněk Kolka

Department

Department of Radio Electronics (UREL)

Learning outcomes of the course unit

The students become familiar with modern programs and methods for computer aided circuit design. They will be able to work immediately with all programs of Spice class including creation and modification of models of circuit devices and higher-level blocks. They become familiar with design of basic circuit structures.

Prerequisites

The subject knowledge on the secondary school level is required.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Teaching methods depend on the type of course unit as specified in the article 7 of BUT Rules for Studies and Examinations.

Assesment methods and criteria linked to learning outcomes

Exercises and individual project

Course curriculum

Not applicable.

Work placements

Not applicable.

Aims

The aim of the course is to make the students familiar with modern methods and programs for computer-aided analysis of electronic circuits. Knowledge of algorithms and models allows the students to properly formulate design task and to solve possible errors. During the computer exercises the subject matter is demonstrated on design of basic analog and digital circuits.

Specification of controlled education, way of implementation and compensation for absences

The content and forms of instruction in the evaluated course are specified by a regulation issued by the lecturer responsible for the course and updated for every academic year.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Not applicable.

Recommended reading

Not applicable.

Classification of course in study plans

  • Programme EEKR-CZV lifelong learning

    branch EE-FLE , 1 year of study, winter semester, elective specialised

Type of course unit

 

Lecture

13 hours, optionally

Teacher / Lecturer

prof. Dr. Ing. Zdeněk Kolka

Syllabus

Historical overview of computer analysis of electronic circuits, survey of present most popular programs and their features. Relation between physical system and its model.

Basic methods for circuit analysis: DC operating point, transient analysis, steady state analysis, and symbolic analysis.

Advanced analyses, post processing, sensitivity and tolerance analysis, Monte Carlo.

Digital circuits: Basic principles of conversion of circuit equations into Booleans ones.

The Spice language, device definition, subcircuit, models. Basics of electronic device modeling: Categorization of models. Semiconductor devices - model equation, parameters, identification.
Models of operating amplifiers. Block and formal models, HF models.

Selected parts of circuit design with respect to simulator employment: Feedback - basic conception, influence on circuit parameters, compensation. Practical methods for stability determination. Basic blocks with bipolar and unipolar transistors and operational aplifiers- operating point, analysis, design.

Exercise in computer lab

39 hours, compulsory

Teacher / Lecturer

prof. Dr. Ing. Zdeněk Kolka

Syllabus

1. Introduction into PSpice design system. Basics of operation exercised in analysis of simple nonlinear circuit.

2. Simplified design of one-stage amplifier. Transistor curves, design and verification of DC operating point, small-signal parameters, harmonic distortion, time domain power analysis.

3. Tolerance and sensitivity analysis of the circuit form exercise 2. Tolerances of transistor parameters, sensitivity analysis, Monte Carlo, Worst-Case. Determination of maximum allowable tolerances.

4. Identification of diode model from measured data. Relationship between parameters of model and diode characteristics.

5. Model of tantalum capacitor by means of optimization.
6. Functional model of operating amplifier derived from datasheet. Its transformation into netlist and insertion into library.

7. Modeling of digital circuits.

8. Design of D/A converter buffer. Model of the converter. Feedback, stability, compensation.

9. Design of transistor amplifier. DC operating point. Approximate symbolical analysis. Comparison between simplified formulas and numerical simulation results. Tolerance and temperature analysis.

10. Design of analog frequency filter.

11. Modeling and design of power supply.

12. Design of function generator.