Specifications

XT55 Hardware Interface Description
Confidential / Preliminary
s
mo b i l e
XT55_hd_v00.02 Page 98 of 116 17.03.2004
0
200
400
600
800
1000
1200
1400
1600
Burst (max) Burst (min) Average Current (Max) Average Current (Min)
Current (mA)
ch.124 PCL5
Service mode GSM900 ch.124
V
ariations in current with 0.4dB return
loss (all phases)
0
100
200
300
400
500
600
700
800
900
1000
Burst (max) Burst (min) Average Current (Max) Average Current (Min)
Current (mA)
ch.661 PCL0
Service mode PCS1900 ch.661
V
ariations in current with 0.6dB return
loss (all phases)
Test conditions: T
amb
= 25°C, V
GSM_BATT+ nom
= 4.1V measured at TP GSM_BATT+ and GND, 1 TX slot
Figure 49: Typical current consumption vs. return loss