Detail publikačního výsledku

SIMPLE D/A CONVERTER WITH MICROCONTROLLER

VRÁNA, J.

Originální název

SIMPLE D/A CONVERTER WITH MICROCONTROLLER

Anglický název

SIMPLE D/A CONVERTER WITH MICROCONTROLLER

Druh

Stať ve sborníku v databázi WoS či Scopus

Originální abstrakt

All microcontrollers have digitals inputs and outputs. Some of them include A/D converters and n particular D/A converters. Digital output voltage can have more than two states. It can be achieved by digital modulation and a simple analogue filter. In this paper sigma-delta modulation and PWM modulation are realized on an ATmega8 microcontroller made by Atmel. The filters with various cutoff frequencies were successively connected to the digital output and the transfer characteristic and suppression of a.c. voltage were measured. From the result it can be seen that the sigma-delta modulation is more suitable than PWM modulation for use in D/A converters.

Anglický abstrakt

All microcontrollers have digitals inputs and outputs. Some of them include A/D converters and n particular D/A converters. Digital output voltage can have more than two states. It can be achieved by digital modulation and a simple analogue filter. In this paper sigma-delta modulation and PWM modulation are realized on an ATmega8 microcontroller made by Atmel. The filters with various cutoff frequencies were successively connected to the digital output and the transfer characteristic and suppression of a.c. voltage were measured. From the result it can be seen that the sigma-delta modulation is more suitable than PWM modulation for use in D/A converters.

Klíčová slova

sigma-delta PWM microcontroller D/A converter

Klíčová slova v angličtině

sigma-delta PWM microcontroller D/A converter

Autoři

VRÁNA, J.

Vydáno

28.04.2005

Místo

Brno

ISBN

80-214-2890-2

Kniha

Proceedings of the 11th conference Student EEICT 2005

Svazek

11

Strany od

472

Strany počet

5

BibTex

@inproceedings{BUT14353,
  author="Jaroslav {Vrána}",
  title="SIMPLE D/A CONVERTER WITH MICROCONTROLLER",
  booktitle="Proceedings of the 11th conference Student EEICT 2005",
  year="2005",
  volume="11",
  pages="5",
  address="Brno",
  isbn="80-214-2890-2"
}