Title :
Transmitter drive using digital techniques to give frequency modulation
Author_Institution :
British Broadcasting Corporation, Research Department, Tadworth, UK
Abstract :
This letter describes an f.m. drive for transmitters operating at medium frequencies. The drive uses digital techniques, giving a centre frequency that is highly stable but still allows frequency modulation, is linear and has a high modulation index. It was developed initially for the BBC´s motoring service proposal (CARFAX).
Keywords :
digital circuits; frequency modulation; radio transmitters; BBC´s motoring service; CARFAX; MF transmitters; digital FM drive; digital techniques; high modulation index; radio transmitters; transmitter FM drive;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19790050
