Bandbreite
Category : Lexicon
< p>angiver et frekvensområde, hvor en enhed eller komponent fungerer. < / p> < p>for filtre er de nedre og øvre grænsefrekvenser specificeret, dette er de frekvenser, hvor signalet dæmpes med 3 dB. Dæmpningen er mindre mellem disse afskæringsfrekvenser (båndpass). < / p> < p>for radiostationer defineres båndbredden af den nedre og øvre afskæringsfrekvens for det udsendte signal. Normalt er disse symmetriske omkring bærefrekvensen, og båndbredden bestemmes af typen af modulation.
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- A/V-Preceiver
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