Rf filter audio recorder (Techniek Radio/TV)

door Ron Kremer , Groningen, 02.02.2020, 15:31 (1762 dagen geleden) @ MarcelvdG

Je kan toch geen flankdetector maken door achter de gelijkrichter een filter te plaatsen?

Nou, dat heb ik nooit beweerd. Bij een AM ontvanger wordt eerst afgestemd door op de flank van de MF (of RF) kring af te stemmen, daarna wordt er gelijkgericht door de detectordiode.

In de onderhavige audioapparatuur gebeurt iets soortgelijks; 'diodes' genoeg daarin. Het hoeft niet per se de eerste 'diode' te zijn die het detectiewerk van de van FM naar AM omgezette component verzorgt.
Als dat zo zou zijn dan was het gestelde probleem snel opgelost.

Vr. groet, Ron

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Rf filter audio recorder (Techniek Radio/TV)