Course detail

Theory of AD and DA Signal Conversion

FEKT-LTVPAcad. year: 2011/2012

Structure of a chain of blocks for analogue signal processing a nd reconstruction of digitized signal, applied codes. Programmable amplifiers, analogue multiplexers, input filters. SH and TH circuits. Parameters and types of DACs, chip structures, application notes. Parameters and types of ADCs, chip structures, application notes. Self calibration, testability. Vf and fV converters, Df converters, digital measurement of time intervals, phase, frequency. Microprocessor and microcontroller input/output units. SPICE and MatLab simulation. Design using ADCs and DACs.

Language of instruction

Czech

Number of ECTS credits

6

Mode of study

Not applicable.

Guarantor

doc. Ing. Jiří Háze, Ph.D.

Department

Department of Microelectronics (UMEL)

Learning outcomes of the course unit

Fundamental knowledge will be provided on the principles of individual converter types AD, DA, Vf, fV and Df and their applications in various instruments.

Prerequisites

The subject knowledge on the Bachelor´s degree level is requested.

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

Requirements for completion of a course are specified by a regulation issued by the lecturer responsible for the course and updated for every.

Course curriculum

Lectures
1 Basic information about ADC and DAC
2 Signal preprocessing
3 Filters
4 Sampling circuits
5 Reference sources
6 DAC
7 ADC
8 Sigma-delta converters
9 Another types of converters
10 Testing
11 New trends

Excercises
1. Filters, samplingí, aliasing
2. DAC with PWM
3. DPAC with resistor network R-2R
4,5. Sigma delta ADC
6. Properties of ADC and DAC

Work placements

Not applicable.

Aims

The target of subject is to introduce fundamental principles of A/D and D/A converters, parameters of integrated converters and their applications.

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

Háze, J. a kol..: Teorie vzájemného převodu analogových a číslicových signálů. Učební text, Brno 2010. (CS)

Recommended reading

Not applicable.

Classification of course in study plans

  • Programme EEKR-ML Master's

    branch ML-MEL , 2 year of study, summer semester, elective specialised

  • Programme EEKR-CZV lifelong learning

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

Type of course unit

 

Lecture

26 hod., optionally

Teacher / Lecturer

doc. Ing. Jiří Háze, Ph.D.

Syllabus

Converters in in data acquisition systems. Electronic switches, precision programmable amplifiers.
Sample/hold and trach/hold amplifiers, parameters, application notes.
Fundamental static and dynamic parameters of AD and DA conversion, precision, resolution.
Reference voltage and current sources. Numerical code bases applied in AD and DA theory.
Digital-to-analolgue converters (DAC). Fundamental structure. Paralel DACs using weighed currents, DACS exhibiting monotonicity.
Integrated DACs, indirect DACs, seriál DACs, DACs exploiting selfcalibrating, over-sampled and noise-shaping DACs, solution on chip, DACs application.
Analogue-to-digital converters (ADC). Fundamental structure, one- and multistage flash ADCs, approximation ADCs, integration converters.
Sigma-delta ADCs, SC ADCs, other ADC types. Self-calibrating and self-zeroing in ADCs.
Voltage-to-frequency converters (Vf), charge-balancing converters, dynamic parameters improvement, phase noise rejection, precision.
Frequency-to-voltage converters (Vf), converters exploiting counters and DACs, integrating converters, accuracy. Analog interface of data acquisition systems, communication between ADCs, DACs and microprocessors, plug-in I/O units of PC computers.
Interference rejection of spurious sources in ADC and DAC interfaces. Gigital correction improving final ADC and DAC precision.
Design and application rules for DAC and ADC. Testing od converters.
New trends in ADCs and DACs..

Fundamentals seminar

8 hod., optionally

Teacher / Lecturer

doc. Ing. Jiří Háze, Ph.D.

Syllabus

Programmable amplifier design
Integrated DACs application
Integrated ADCs and TH amplifier application
Design of data acquisition system

Laboratory exercise

31 hod., compulsory

Teacher / Lecturer

doc. Ing. Jiří Háze, Ph.D.

Syllabus

SH and TH amplifiers
Programmable amplifiers
Integrated DACs
Microprocessor controlled DACs
Integrated ADCs
Microprocessor controlled ADCs
Vf converters
Ralization and testing of data acquisition system
PC plug-in analogue I/O units