User guide

EG_GenPro2xe_1003_UG_005_UK Page 51 / 63
Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
Dct_427_00
Table 4 : Consumption with internal battery Without external power supply
CONDITIONS 850 MHz 900 MHz 1800 MHz 1900 MHz
T=25°C et carte SIM 3V I Nom.(mA) I Nom.(mA) I Nom.(mA) I Nom.(mA)
Idle mode (2*) @ 3.8V 36 36 36 36
In GSM communication
@ 3.8V 283 281 248 237
1RX/1TX, Full Power
Power (2W/1W)
In GPRS CL10 communication
@ 3.8V 453 455 387 373
2RX/2TX, Full Power
Power (2W/1W)
During TX bursts
@ 3.8V 1633 1633 1313 1213
Power (2W/1W)
(1*) The power supply consumption may vary by 5% depending on the temperature range (-20 °C to +55 °C).
(2*) Idle mode = modem registered on network but not in communication.
8.2.2 Audio interface
The audio interface is available via the 15-pin Sub HD connector, see the paragraph 7.9 Audio.
8.2.2.1 Microphone
Characteristics recommended for the microphone
Mic Input Parameter/Conditions Min Typ Max Units
Maximum Input Range –
Mic(+) to Mic(-)
Inputs 3 dBm0 (Max. digital
sample amplitude when PGA
gain set to 0 dB)
32.5 mV
RMS
Nominal Ref. Level –
Mic(+) to Mic(-)
Differential MIC -10 dBm0
Differential Input Resistance –
Mic(+) to Mic(-)
Differential MIC,
MICAMP gain = 25.6 dB
36 k
Microphone Pre-Amplifier Gain Differential MIC 25.6 dB