Q2406 Datasheet, PDF (14/81 Pages) List of Unclassifed Manufacturers – SELF CONTAINED E GSM/GPRS 900/1800 OR 850/1900 BI BAND MODULE

WM_PRJ_Q2400_PTS_002 - 002
24th January 2003
VDD : supplies the +2.8V ballast regulators of the WISMO QUIK Q24x6. It is
essential to keep the voltage over 3.1 volts.
The WISMO QUIK Q24x6 Series shielding case is the grounding. The ground
has to be connected on the mother board through a complete layer on the PCB.
Power Supply Voltage
V_MIN
V_NOM
V_MAX
Ripple max (U_ripp)
VBATT
3.3 V (*)
3.6 V 4.5 V (**) 50 mVpp for freq<200kHz
500 µVpp for freq>200kHz
VDD
3.1 V
4.5 V
100 mVpp
(*) : This value has to be guarantied during the burst (with 2.0A Peak in GSM
or GPRS mode)
(**) : max operating Voltage Stationary Wave Ratio (VSWR) 2:1
When supplying the module with a battery, the total impedance
(battery+protections+PCB)should be <150 mOhms
2.2.2 Power consumption
Following information are given assuming a 50 Ω RF output.
Power consumption in OFF mode
(module supplied, OFF state, no software running)
Overall
consumption
Conditions
Off
I_NOM
5 µA
I_MAX
10 µA
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