Course detail
Diagnostics and Testing of Electronic Systems
FEKT-BPA-DTSAcad. year: 2025/2026
Diagnosis and testing of electronic circuits. Failure modes. Detection and fault location. Failure classification and mechanisms of disorders. Diagnostic system. Physical methods of technical diagnostics. Functional methods of technical diagnostics. Diagnosing analog circuits. Diagnosis of digital circuits. Built-in test systems, boundary scan, logic analyzers. Designing circuits for testability and diagnostic ability.
Language of instruction
Number of ECTS credits
Mode of study
Guarantor
Department
Entry knowledge
Rules for evaluation and completion of the course
individual device analysis ....... 15 points
final test ............................... 70 points
laboratory exercises
Aims
Student is skilled on the basic terminology used in the field of technical diagnostics after successful completion of the course . Student understands the difference between physical and functional diagnostic methods. He knows the possible causes of measurement errors of electrical circuits and knows how to prevent them. Understands the principle on which it is based JTAG test interface. Can name the principles of electronic systems for ease of diagnostc ability.
Study aids
Prerequisites and corequisites
Basic literature
Hurst L.S.: VLSI testing, The Institution of EE, London, 1998 (EN)
Mourad S.: Principles of Testing Electronic Systems, John Wiley & Sons Inc., New York, 2000 (EN)
Recommended reading
Uyemura J.P.: Introduction to VLSI Circuits and Systems, John Wiley & Sons, 2002 (EN)
Classification of course in study plans
Type of course unit
Lecture
Teacher / Lecturer
Syllabus
2. Fault types of electronic components, integrated circuits - degradation mechanisms and cause malfunction. Terminology disorders. Disorders of passive and active components of electronic circuits. Disorders of integrated circuits. Causes of failures in the connecting system. Fault types neoživeného equipment. Number of single and multiple failures in a combinational network. Disorders of CMOS circuits.
3. Physical and function methods of the technical diagnostics. Mathematical models of diagnostic objects. Diagnostic tests. Forms of diagnostics. Periodic diagnostics. Continuous diagnostics. Display diagnostic test using a table, a procedure of testing. Detection testing. Localization testing. Graphic display diagnostic test using the tree. Build a set of faults, fault models, build diagnostic tests.
4. Methodology of practical procedure for the diagnosis of electrotechnical equipment division circuits, difficulties in measuring electrical variables
5. Practical examples of diagnosis of the electrical circuits
6. The feedback systems (sources, amplifiers), stability issue
7. Practical examples of diagnostic feedback circuit
8. Diagnosis and testing of digital circuits. Faults in logic circuits. Diagnosing faults in logic systems, faults modeling, testing of logic circuits, Boolean difference, creating tests for combinational circuits.
9. Applications of functional diagnostics methods on objects with analog variables. The functional block diagram and logic diagram diagnostic facility with analog signals. Solution-oriented diagnostic tasks using cause-effect graphs for objects with analog signals.
10. Diagnosis and testing of digital circuits. Faults in logic circuits. Diagnosing faults in logical systems. Generation of structural tests. Functional tests. Test generation using Boolean difference.
11. Built-in test systems (BIST) and Boundary Scan (JTAG) - history, principles, description by BSDL
12. Circuit design for easy diagnosis. Development of design methods for easy diagnosis. Structured design. Heuristic design. Built-in diagnostic tools. Diagnostic tests written to memory. Autonomic testing generated in real time. Generating pseudotriviálních tests. Failsafe. Security system. Fail safe circuits. Totally self-checking circuits. Other security methods.
Exercise in computer lab
Teacher / Lecturer
Syllabus
Failures analysis in basic blocks of the operational amplifier
Failures analysis in audio amplifier circuit, measuring of the parameters
Failures analysis in linear power supply circuit, measuring of the parameters
Basic measurements with logic analyzer, measuring of the gates delay
Analysis of communication with the logic analyzer, standard communication protocols 1
Analysis of communication with the logic analyzer, common communication protocols 2
The analysis of digital systems using a logic analyzer - a digital thermometer