Nokia 9000i - Page 74

After Sales
Technical Documentation
RAE/RAK–1N
RF
Page 3– 8
Amendment 1 04/97
Figure 3. Power distribution diagram
Battery
VR1 VR2 VR3 VR4 VR5 VR6 VR7 VR8Vbias
VCXO
2 mA
VREF
Switch
Power
Amplifier
TXP
SYNTHPWR
TXPWR
RXPWR
CRFCONT
VPLL:
UMA1018
Negat.volt.
+4V5_TX:
TX buffers
VHLO:
VHF LO
+4V5_RX:
RF LNA
IF amps
VRX:
VTX:
< 1 mA
18.5 mA
GSM: 13 mA
GSM: 18 mA
CRFRT (VB_ext)
35 mA
39 mA
CRFRT (VRX)
CRFRT (VTX)
CRFRT (VTX_slow)
GSM: 1300 mA
PCN: 900 mA
VREF
PSL
VB_EXT
7.2 V
(min. 5.7 V)
PCN: 21 mA
PCN: 31 mA
GSM: 8 mA
PCN: 17 mA