Specifications

Power Interface
Rev 2.0 Apr.10 Proprietary and Confidential 31
Averaged GSM/EDGE DC current consumption
GSM Talk current (Full rate
GSM vocoder, averaged
over multiple Tx frames)
Quad GSM 300 - mA +5 dBm Tx power
210 - mA +13 dBm Tx power
300 - mA +29 dBm Tx power
GSM850 &
GSM900
360 - mA +33 dBm Tx power
GPRS current (+13 dBm
Tx power, GPRS CS2,
averaged over multiple Tx
frames)
Quad GSM 180 - mA 1 Rx/1 Tx slot
180 - mA 2 Rx/1 Tx slot
240 - mA 4 Rx/2 Tx slot
GSM/GPRS searching
channels
Quad GSM 163 mA 489 mA peak
EDGE current (14 dBm Tx
Power, averaged over
multiple Tx frames)
Quad GSM 180 - mA 1 Rx/1 Tx slot
180 - mA 2 Rx/1 Tx slot
240 - mA 4 Rx/2 Tx slot
Maximum Peak Talk
current
Quad GSM 2.3 2.75 A Max RF output power, Tx pulse current, full
operating temperature range
Miscellaneous DC current consumption
Module OFF leakage
current
All 310 600 A Full operating temperature range
USB transmit current All - 10 mA Full speed USB connection, C
L
= 50 pF on
D+ and D- signals
Table 2-7: Current specifications (MC8780/MC8781)
Description Band Typ Max Units Notes/Configuration
Averaged standby DC current consumption
With Sleep mode activated (assumes USB bus is fully suspended during measurements)
HSDPA/WCDMA Bands I, II, V 3 4 mA DRX cycle = 8 (2.56 s)
GSM/GPRS/EDGE Quad GSM 3 4 mA MFRM = 5 (1.175 s)
With Sleep mode deactivated (assumes USB bus is fully suspended during measurements)
HSDPA/WCDMA Bands I, II, V 46 50 mA DRX cycle = 8 (2.56 s)
GSM/GPRS/EDGE Quad GSM 50 55 mA MFRM = 5 (1.175 s)
Low Power Mode (LPM)/Offline Mode
RF disabled, but module is operational 3 4 mA This state is entered when Watcher (or
other application) shuts down/turns off the
radio.
Table 2-6: Current specifications (MC8775/MC8775V) (Continued)
Description Band Typ Max Units Notes/Configuration