Table 28: Current Consumption During Tx Burst For Gsm 850Mhz And Gsm 900Mhz - Siemens AC75 Hardware Interface Description

AC75 Hardware Interface Description
Strictly confidential / Preliminary

Table 28: Current consumption during Tx burst for GSM 850MHz and GSM 900MHz

Mode GSM call
1Tx / 1Rx
Timeslot
configuration
RF power nominal 2W
(33dBm)
Radio output power <ropr> = 1 ... 3
reduction with
AT^SCFG,
parameter <ropr>
Current
characteristics
Burst current 1.75A
@ 50Ω antenna
(typ.)
Burst current 3.2A
@ total mismatch
Average current 330mA
@ 50Ω antenna
(typ.)
Average current 510mA
@ total mismatch
AT parameters are given in brackets <...> and marked italic.
AC75_HD_V00.202
GPRS GPRS Class10
Class 8
1Tx / 4Rx 2Tx / 3Rx
2W 2W 1W
(33dBm) (33dBm) (30dBm)
<ropr> = 1 ... 3 <ropr> = 1 <ropr> = 2 or 3
1.75A 1.75A 1.48A
3.2A 3.2A 2.7A
360mA 540mA 475mA
540mA 905mA 780mA
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GPRS Class 12 EGPRS
Class 8
4Tx / 1Rx 1Tx / 4Rx
1W 0.5W 0.5W
(30dBm) (27dBm) (27dBm)
<ropr> = 1 <ropr> = 2 or 3 <ropr> = 1 ... 3
1.26A 1.1A 1.4A peak
1.2A plateau
2.3A 1.9A 1.8A peak
1.5A plateau
680mA 600mA 370mA
1200mA 1000mA 395mA
s
EGPRS Class 10
2Tx / 3Rx
0.5W 0.25W
(27dBm) (24dBm)
<ropr> = 1 or 2 <ropr> = 3
1.4A peak 1.1A peak
1.2A plateau 1.0A plateau
1.8A peak 1.4A peak
1.5A plateau 1.2A plateau
450mA 400mA
525mA 450mA
27.04.2006