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ELFORUM - Forumul electronistilor

Utilizarea condensator pentru pornire Pic16F877A


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Buna. Am facut o placa cu un pic16f877a cu un oscilator de 10 mhz si doi condensatori de 22pF(Wima, aceia rosii).Placa nu vrea sa porneasca(pic-ul este recunoscut si am si reusit sa il programez), o fi din cauza condensatorilor?....pentru ca nu am folosit dinaceia ceramici? :nas: ...astept un raspuns.multumesc

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Fara condensatori nu merge....mi-am dat seama de asta fiindca am facut cablajul cu foi din reviste de reclama printate cu Laserjet si nu a iesit asa bine, m-am chinuit vreo 3 ore sa imi dau seama de ce nu merge si accidental am atins cumva condensatorii iar cand au facut contact a pornit oscilatia. :ras: ...asta e...se intampla ..sunt incepator dar nu ma las. :nas: ..o sa incerc sa ii schimb cu 22pF cand am sa aung pe la magazin, intrebarea mea este... ce are daca ramane asa?...(intreb si eu pt ca nu stiu...nu pt ca ma dau destept)

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