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Rev 1 Dec.10
Proprietary and Confidential - Specifications subject to change
77
6
6: Power Consumption
Note: All specifications in
these tables are prelim-
inary, based on chipset
published expectations.
The power consumption numbers listed in this section are for the
AirPrime SL808X Embedded Module module connected to the host
PC via USB. The module does not have its own power source and
depends on the host device for power. Typical values are measured
at room temperature, and minimum and maximum values are
measured over the entire operating temperature range. For a
description of input voltage requirements, see
Table 6-1: Averaged standby DC power consumption
a
Signal
Description
Bands
Typ
Max
Units
Notes / Configuration
VCC
Standby current consumption with Sleep mode activated
(assumes USB bus is fully suspended during measurements)
HSDPA / WCDMA
UMTS bands
2
TBD
mA
•
DRX cycle = 8 (2.56 s)
GSM / GPRS / EDGE
GSM bands
2.7
TBD
mA
•
MFRM = 5 (1.175 s)
Standby current consumption with Sleep mode deactivated
(assumes USB bus is fully suspended during measurements)
HSDPA / WCDMA
UMTS bands
55
TBD
mA
•
DRX cycle = 8 (2.56 s)
•
Module power up and idle
(Assumes sleep mode is never
entered)
GSM / GPRS / EDGE
GSM bands
55
TBD
mA
•
MFRM = 5 (1.175 s)
•
Module power up and idle
(Assumes sleep mode is never
entered)
Low Power Mode (LPM) / Offline Mode
RF disabled, but module is operational
1
TBD
mA
•
State is entered when Watcher
shuts down / turns off the radio.
•
LPM is the lowest possible (‘rock
bottom’) state in Sleep mode.
a. All measurements are preliminary/estimated values
Table 6-2: Averaged call mode data DC power consumption
Mode
Current
(at 3.6 V)
Tx (output) power
Conditions
WCDMA data current consumption
(includes USB bus current)
WCDMA
Average
700 mA
23 dBm
•
384kbps
a
200 mA
0 dBm
Peak
800 mA
•
Averaged over 100
s
Содержание AirPrime SL808 Series
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