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ELFORUM - Forumul electronistilor

ceas cu tuburi nixie ajutor


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am decodorul sn 74141, care stiu ca e special pt tuburi nixie, am in schimb decodoare cdb 442e care e tot decodor bcd/ zecimal. dar cred ca pe iesire trebuie sa pun un bufer cu tranzistor dilema e ca nu stiu daca trebuie npn, sau pnp, daca are cineva vreo schema, sau vreun sfat

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