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ELFORUM - Forumul electronistilor

amplif 1w cu un tranzistor necunoscut

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Nu gresesti, e corect si e posibil sa se auda ceva. Dar pana la 1W din sandramaua aia, mai e cale lunga. Probabil ca mai realist ar fi sa te astepti la vreo 50mW, si aia scosi cu forcepsul. Inca ceva. Puterea de iesire depinde de impedanta difuzorului. Daca ai un dif cu impedanta marisoara, ai putea sa scoti rezistenta aia de 50 Ohmi. Asa cum e acum, pierde destul de mult pe rezistenta.De fapt daca pui un BD si un traf in colector, ajungi la un etaj simplu in clasa A, cu sanse mai mari de functionare satisfacatoare.Cirip

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