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4. Electrical specification
4.1 Power supply specification
Modem power(V_BATT) should be provided DC3.8V ± 0.1V, 2.0A. Modem
power is provided according to inner function and per block using DC
regulated circuit. It is controlled with each power depending on the
mechanism to reduce power consumption to a minimum. PA is used directly
V_BATT because of a lot of power input power source. Thus, It can be
resulted in breakage of PA in excess of the rated input power. In addition,
surge and ESD should be designed to block the influx in order to prevent
damage to the modem.
Pin No.
Signal Name
32, 33
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Direction
V_BATT
Table 6. Power supply specification
MIN
I
3.7V
TYP
MAX
3.8V
3.9V
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