NDLI: Exciter Architecture for Digital Sound and Video Broadcasting Transmitters

Content Provider	IEEE Xplore Digital Library
Author	Grubesa, T. Grubesa, S. Domitrovic, H.
Copyright Year	2005
Description	Author affiliation: RIZ Transmitters Co., Zagreb (Grubesa, T.)
Abstract	Modern radio-communications have begun the transition process from analog to digital radio-communications and broadcasting. During this transition process, main changes are required in exciter units of transmitters. The architecture of transmitters themselves is the same for both digital and analog broadcasting, but the exciters used for digital broadcasting have to create analog RF exciting signals for the transmitters from the digital data stream. The most common modulation procedure used in digital broadcasting systems is OFDM with QPSK or some kind of QAM keying of sub carriers. Apart from RF signal generation, the exciters are often responsible for control of the whole system, because control data is often included in the digital stream distributed from the broadcast center to the transmitters
Starting Page	1
Ending Page	3
File Size	121414
Page Count	3
File Format	PDF
ISBN	9536037440
DOI	10.1109/ICECOM.2005.205049
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-10-12
Publisher Place	Croatia
Access Restriction	Subscribed
Rights Holder	KoREMA
Subject Keyword	Radio frequency Quadrature amplitude modulation Digital modulation Radio transmitters RF signals Control systems Signal generators OFDM modulation Digital video broadcasting Quadrature phase shift keying
Content Type	Text
Resource Type	Article

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