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tuner TV - receptor SDR

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recent am aflat ca exista posibilitatea de a folosi un tuner TV drept receptor SDR. Amanunte sunt la http://yo2ldk.blogspot.ro/2012/05/softw ... dr_26.html. Tunerul costa 20 dolari plus transport, exista softul necesar toate-s bune si frumoase. Intrebare cu un tuner TV intern ( montat pe placa de baza a PC-ului in slot) nu exista nici nici un soft care sa ne dea posibilitatea de-a receptiona si semnalele radio?

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De obicei tunerele TV au si o intrare pentru antena cu ajutorul careia se receptioneaza posturile de radio FM (situate in ecartul 87,5-108Mhz). Pentru a receptiona semnale cu modulatie SSB se foloseste alta tehnica. Nu prea vad cum ai putea folosi un tuner TV la asa ceva. Demodularea semnalelor SSB se face in placa de sunet a PC-ului cand la intrarea audio se aplica 2 semnale defazate.

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