Óbudai Egyetem Kandó Kálmán Villamosmérnöki Kar

Circuit design (KHXAT1ABNE)

Tantárgykód: KHXAT1ABNEKredit: 7
Angol cím: Circuit design
Óbudai Egyetem
Kandó Kálmán Villamosmérnöki Kar
Híradástechnikai Intézet
Tantárgyfelelős: Dr. Gyányi Sándor
Heti óraszámElmélet: 4
Gyakorlat: 0Labormérés: 2
Tárgy teljesítésének feltétele: Examination grade
Oktatási cél:The subject provides an overview and comprehensive knowledge of designing processes of modern analog and digital circuits.
A tananyag:The application of common signal suppression in differential amplifiers. Solutions in medical electronics. The applications of differential amplifiers in the field of Telecommunication.
The implementation of Mathematical operation with operational amplifier. Design of small-signal and power amplifiers. Different applications of operational amplifiers in the field of telecommunication. Selective amplifiers. Different applications of selective amplifiers in the field of telecommunication.
Structure of microprocessors. Communication on the bus between the microprocessors and the system elements. Use of the memory and the peripheral interface drivers. The microprocessor as a component.
Characteristics of the hardware: the operation and interrupt system of inner memories and in-circuit interfaces.
Programming of microprocessors. Assembler programming. The use of editor, assembler, linker programs,
Controlled program runnings. Data and output interfaces of the microprocessor systems. The presentation of the Developer Tools.
Lecture témaköreHétÓra
Diode characteristics (forward and reverse direction). Transistor characteristics. Linear and switching modes.
Power supplies. Rectification circuits (half wave, full wave and graetz). Buffer capacitor in rectifier circuits. Stabilized power supplies: linear transistor, 78xx integrated circuits. Switching power supplies.
Amplifiers, characteristics.
Linear mode basic amplifiers: (common emitter, common base and common collector). Negative feedback.
Coupling capacitors.
Differential amplifier.
Power amplifiers, Q-point considerations.
Operational amplifiers, basic applications. Power supply considerations.
Active RC filters.
Embedded microcontroller environment.
Power switching problems (LED and relay).
Schmitt-trigger inputs.
Digital-to-analog converters.
Analog-to-digital converters (SAR, flash).
Digital potentiometer integrated circuits.
1st test.54
Digital computers, central processing units, architectures.
Binary number system, parallel and serial buses.
Memory handling, data bus, address bus.
Registers, Program Counter, instruction execution.
DsPIC 33F-series microcontrollers.
Microprocessor components (ALU, register array, clock generator, peripherals).
Machine code instructions.
Assembly programming basics, instruction types, addressing modes.
Integrated Development Environments
Oscillators, clock generators (monostable, bistable, astable).
DsPIC microcontroller circuit designing steps, power supply.
Sytem clock generator.
Watch-dog circuit.
Input-output parallel ports.
Usage, projekts, compile, link phases.
ICD3 debugger.
Basic assembly instructions, directives.
Assembly instructions.
Stack, interrupt conception.
Clock setup in dsPIC microcontrollers, designing aspects, examples.
Peripherals: SPI, D/A converter.
Direct Memory Access.
A/D and D/A conversion.
Analog signal generation with D/A converter.
Number representations in binary number systems, overflow and saturation modes.
DSP unit.
2nd test.134
Last resort test.144
Laboratory practice session témaköreAlkalomÓra
Soldering practice.14
Rectifier circuit construction, measurement.24
Amplifier construction and measurement.34
Embedded controller development, IDE practice, interrupt system usage.44
dsPIC system clock setup, complex interrupt service routine.54
Digital signal generation application development.64
Félévközi követelmények

Attendance in class and lab is mandatory.

For the signature it is required an average grade 2 (pass mark) or better on mid-semester and/or repeat tests. Schedule:



Minimum result


1. test

5. week

60 minutes


Analog electronics (lecture 1-4).

2. test

13. week

60 minutes


Digital electronics

(lecture 6-12)

Last resort test

14. week

60 (120) minutes


Vizsga módja

Written (test) and oral if necessary.



85 - 100

excellent (5)

70 - 84

good (4)

55 - 69

satisfactory (3)

50 - 54

pass (2)

0 - 49

fail (1)

Kötelező irodalom: Nihal Kularatna: Electronic Circuit Design: From Concept to Implementation (ISBN 9780849376177)16-bit MCU and DSC Programmer’s Reference ManualdsPIC33F Family Data Sheet
Ajánlott irodalom:
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