Rf filter audio recorder (Techniek Radio/TV)

door soundman2 , Wouw, 02.02.2020, 13:26 (1762 dagen geleden) @ brnrds

Hoi Ron

Ja natuurlijk is het een FM zender, inderdaad 92.6 MHz.
Maar blijkbaar (als ik het geloven mag?) kan dat gedemoduleerd worden naar een audiosignaal? Vraag mij niet hoe?

Dat werkt als een soort flankdetectie, die vroeger wel eens gebruikt werd in simpele zelfbouwontwerpjes. Er wordt dan afgestemd op een flank van een bandfilter en dan wordt frequentievariatie omgezet in een amplitudevariatie.

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Rf filter audio recorder (Techniek Radio/TV)