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lill;
Stycklista för snabbtelefon huvudapparat enligt fig. 20.3
C1 =25 uF, el-lyt
C2 = 100 uF, 25V, el-lyt
C3 = 25 uF, 25V, el-lyt
C4 = 25 uF, 25V, el-lyt
ESEVMNETKker
C6 = 1000 uF, 25V, el-lyt
C7 = 400 uF, 25V, el-lyt
C8 = 400 uF, 25V, el-lyt
R1 = 47 ohm, 1/2 W (utprovas)
R2 = 20 kohm trimpot. kol
R5 = 100 ohm, 1/2 W
IE = FA300
H = Högtalare 4 ohm diam. ca 6 cm
P1 = 10 kohm pot. kol linj.
254
Fig. 20.3 Principschema
för snabbtelefon med tre
— Ssidoapparater.
TI
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