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Ch12 Le hacheur s rie le hacheur d volteur

. Toutes les grandeurs sont : - positives pour le transistor NPN;- n

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Ch12 Le hacheur s rie le hacheur d volteur

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    1. Ch12 Le hacheur série ( le hacheur dévolteur ) Un interrupteur électronique : le transistor 1.1 Symbole, convention et relations Deux types de transistors : C C B B E E Transistor NPN Transistor PNP La flèche indique le sens du courant passant de la jonction « émetteur-base ». IC C IC C B IB UCE B IB UCE UBE IE UBE IE E E Transistor NPN Transistor PNP

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