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Amplificator rf 20W BLV10, BLW87

2018-01-21 10:09  
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Adaugat in Radio | 3 comentarii
Mai multe scheme cu:amplificatoare fm

Acest amplificator de putere este echipat cu 2 tranzistori bipolari de la Philips : BLV10 si BLW87. Ca majoritatea schemelor de amplificatoare FM, tranzistorii RF functioneaza in clasa C. Acest amplificator are un castig total de 21dB ( de 100 de ori ) si o eficienta de 55 – 65 %.

Un filtru trece jos cu 9 elemente asigura o rejectie de 60dB a armonicii a 2-a. Nu este nevoie de reglaje pt a acoperi intreaga banda FM.

Schema amplificator FM 20W

amplificator rf 20w

Poza amplificator final

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