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500 Circuitos Prácticos. Parte 1-FREELIBROS.ORG

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AMPLIFICADOR FONOGRAFICO CON TRANSISTORES

• Potencia de sa lid a : 2 00 m W

2/V109

• C o rrie n te :

—Sin señol — 6 mA

. ^2*

—C re sta — 42 „

—M edia = 26 „

>

-A

VA LO RES

C l : 0,01 p f . 150 V .

C2: 1 p f , 12 V.

C3: 50 nF, 12 V.

C 4 : 0 ,0 0 3 p f , 150 V .

C 5 : 0 ,0 0 2 fiF , 150 V .

C 6 : 0,04 fiF, 150 V

R1: 1 M 2, 1/2 w

R2: 220 K» 1/2 w

R3: 4,7 K, 1 /2 w

R4: 1,5 K, 1/2 w

«5: 5 K 2, 1/2 w

R6: 100 KÍI, 1/2 y

R7: 220 KÍI, 1/2 w

R8: 680 2 , 1 /2 w

R9: 2 7 2 , 1/2 w

RIO: 3 3 2 , 1/2 w

P: Cerám ica.

B: Fuente: 9 Volts.

AMPLIFICADOR DE SIMETRIA COMPLEMENTARIA

OSCILADOR

PARA LA

PRACTICA

DE

TELEGRAFIA

B = 6 Volts.

C l = 5 p f. 6 V.

C 2 = 50 p f. 6 V .

C 3 = 50 p f, 6 V .

C 4 = 0,5 U F, 6 V .

C 5 = 50 u F , 6 V.

R1 = 12 K, 1/2 W .

R2 = 8,2 K, 1 /2 W .

R3 = 1,5 K, 1 /2 W .

R 4 = 180 2 ;- 1 / 2 W .

R5 = 560 2 , 1/2 W .

R6 = 330 2 , 1/2 W .

Parlante: 45 2 .

De bobina móvil.

£A/T£?ADA

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