Implementation of energy-saving compressor for AM broadcast transmitters using FPGA

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Implementation of energy-saving compressor for AM broadcast transmitters using FPGA

Popis výsledku v původním jazyce

The radio terrestrial AM sound broadcasting in the frequency bands up to 30 MHz is the oldest radio service which originates in the beginning of the last century. It still plays a major role in the large coverage audio broadcasting services mainly in thesegment of high power broadcasting transmitters. The main disadvantage of large power double-sideband AM transmitters is a poor efficiency. In this paper we present fully-digital implementation of energy-saving compressor for AM transmitters using FPGA.First, the general theory of energy-saving techniques is discussed which results in the design of parameterized VHDL module aimed at FPGA with a multiply-accumulate cores. The module is supposed to feed the digital AM modulator based on the Pulse Step Modulation (PSM), Pulse Duration/Width Modulation (PDM, PWM), and similar modern modulation techniques. Finally, we conclude with the module operation and performance description.

Název v anglickém jazyce

Implementation of energy-saving compressor for AM broadcast transmitters using FPGA

Popis výsledku anglicky

The radio terrestrial AM sound broadcasting in the frequency bands up to 30 MHz is the oldest radio service which originates in the beginning of the last century. It still plays a major role in the large coverage audio broadcasting services mainly in thesegment of high power broadcasting transmitters. The main disadvantage of large power double-sideband AM transmitters is a poor efficiency. In this paper we present fully-digital implementation of energy-saving compressor for AM transmitters using FPGA.First, the general theory of energy-saving techniques is discussed which results in the design of parameterized VHDL module aimed at FPGA with a multiply-accumulate cores. The module is supposed to feed the digital AM modulator based on the Pulse Step Modulation (PSM), Pulse Duration/Width Modulation (PDM, PWM), and similar modern modulation techniques. Finally, we conclude with the module operation and performance description.

Druh

D - Stať ve sborníku

CEP obor

JA - Elektronika a optoelektronika, elektrotechnika

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2012

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Proceedings of 22nd International Conference Radioelektronika 2012

ISBN

978-80-214-4468-3

ISSN

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e-ISSN

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Počet stran výsledku

4

Strana od-do

131-134

Název nakladatele

VUT v Brně, FEKT, Ústav radioelektroniky

Místo vydání

Brno

Místo konání akce

Brno

Datum konání akce

17. 4. 2012

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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