Q2426D
| Model | Q2426D |
| Description | SELF CONTAINED E GSM/GPRS 900/1800 OR 850/1900 BI BAND MODULE |
| PDF file | Total 81 pages (File size: 909K) |
| Chip Manufacturer | ETC |
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
VBATT
3.3 V (*)
V
NOM
3.6 V
V
MAX
4.5 V (**)
Ripple max (U
ripp
)
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,
(battery+protections+PCB)should be <150 mOhms
2.2.2 Power consumption
Following information are given assuming a 50
Ω
RF output.
the
total
impedance
Power consumption in OFF mode
(module supplied, OFF state, no software running)
Conditions
Overall
consumption
Off
I
NOM
5 µA
I
MAX
10 µA
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