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Número de pieza
componentes Descripción
LS1240A Ver la hoja de datos (PDF) - Wing Shing International Group
Número de pieza
componentes Descripción
Fabricante
LS1240A
Electronic Two-Tone Ringer
Wing Shing International Group
LS1240A Datasheet PDF : 4 Pages
1
2
3
4
BLOCK DIAGRAM
LS1240A
Figure 1
: Test Circuit.
R1
=
2.72
⋅
10
4
f1
(
Hz
)
⋅
(
1
−
0.04
ln
f1
1943
)
f2 = 0.725 f1
f
SWEEP
=
750
C1
(
nF
)
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