User's Manual

s
e
Centre de Saint Christophe - URD 37
TELEPHONIE MOBILE
MOBILE PHONES
Ref. : SCT TMO MASV2 SPEC 14 M
Date : 04/03/03
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MO130 module for mobile applications
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without notice.
3.13.9.2 Electrical ratings
Vs
Is
V
p
Batter
y
char
g
e
r
Class II equipment (EN 60950 § 1-2-4-2)
1 - Bloc definition
Equivalent resistance : R
eq
= K
2
R
p
+ R
s
= 8,3Ω +/-10% ( for 20°C Ambient )
Transformation Ratio : K = 0,038
NOTA : R
s
can be realise by coil resistor and if necessary by external resistor
NOTA2 : Without output capacitor to avoid current over load through GSM switch
R
p
R
s
K
Thermal
Protection
Four diodes 1N4003
Four capacitors 10nF
Over Voltage protection
( leakage self effect)