Specifications

XT65/XT75 Hardware Interface Description
7.7 Power Supply Ratings
s
XT65_XT75_HD_v01.001 Page 103 of 133 2007-1-8
Confidential / Released
AT parameters are given in brackets <..> and marked italic. Statements on EGPRS apply to XT75 only.
Table 32: Current consumption during Tx burst for GSM 850MHz and GSM 900MHz (w/o GPS)
Mode GSM call GPRS
Class 8
GPRS Class10 GPRS Class 12 EGPRS
Class 8
EGPRS Class 10
Timeslot configuration 1Tx / 1Rx 1Tx / 4Rx 2Tx / 3Rx 4Tx / 1Rx 1Tx / 4Rx 2Tx / 3Rx
RF power nominal 2W
(33dBm)
2W
(33dBm)
2W
(33dBm)
1W
(30dBm)
1W
(30dBm)
0.5W
(27dBm)
0.5W
(27dBm)
0.5W
(27dBm)
0.25W
(24dBm)
Radio output power
reduction with
AT^SCFG, parameter
<ropr>
<ropr> = 1 ... 3 <ropr> = 1 ... 3 <ropr> = 1 <ropr> = 2 or 3 <ropr> = 1 <ropr> = 2 or 3 <ropr> = 1 ... 3 <ropr> = 1 or 2 <ropr> = 3
Current characteristics
Burst current
@ 50Ω antenna (typ.)
1.75A 1.75A 1.75A 1.48A 1.26A 1.1A 1.4A peak
1.2A plateau
1.4A peak
1.2A plateau
1.1A peak
1.0A plateau
Burst current
@ total mismatch
3.2A 3.2A 3.2A 2.7A 2.3A 1.9A 1.8A peak
1.5A plateau
1.8A peak
1.5A plateau
1.4A peak
1.2A plateau
Average current
@ 50Ω antenna (typ.)
360mA 360mA 540mA 475mA 680mA 600mA 370mA 450mA 400mA
Average current
@ total mismatch
540mA 540mA 905mA 780mA 1200mA 1000mA 395mA 525mA 450mA