Abstract FM single frequency networks (SFNs) are recognized by the FCC as fill-in booster stations and are in common use for…
Abstract Recent tests have been performed by the NAB to assess the viability of the all-digital AM IBOC mode, MA3. Hybrid…
This paper examines the changes in AM and the move to digital — HD Radio™ Technology and Digital Radio Mondiale – DRM.
As more stations move to digital transmissions, transporting the IBOC signal from the studio to the transmitter is proving to be more of a challenge than anticipated. The manufacturers have identified various problem areas, and solutions are starting to filter out to the field.
The objective of this paper is to demonstrate improvements that can be achieved to the FM broadcast signal, both analog and digital, by the use of pre-equalization at the exciter stage.
This paper presents theory and measured performance of digital adaptive pre-correction under unstable environmental conditions. Comparison is made between fixed pre-correction curves and adaptive pre-correction under typical conditions at broadcast sites.
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