04.06.2023 Views

n-fm

modulation de fréquence

modulation de fréquence

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20- Exemple d’émetteur FM à 49 MHz

oscillateur FM 16,625 MHz

préampli micro

+ préaccentuation

quartz 16,625 MHz

étage tripleur

3.16,625 = 49,875MHz

ampli 1

ampli 2

diode varicap

générateur de tonalité

signal modulant

La modulation de fréquence

jean-philippe muller

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