User Guide

CCS Technical Documentation Troubleshooting Instructions
Company confidential NPL-3
Issue 1 3/03 ãNokia Corporation. Page 5
RF Measurement points
Figure 2: Component placement 2
850PA_IN
To antenna
VTXB850
VPCTRL_850
VPCTRL_1800_1900
VTXB_1800_1900
VR2
RFBusReset
RFBusData
RFBusEn
RFBusClk
1800_1900PA_IN
VR3
VCTCXO
26Mhz out
VR1
26MHz to BB TXIN/TXIP TXQP/QN TXP RXQ RXI
VR5
TXC
VR6
VR7
VR4
850_RX_In
1800_RX_In
1900_RX_In
LNA_P
LNA_VCC
RX_saw_out
VANT_3
ASM_out_1900RX
ASM_out_1800RX
ASM_out_850RX
VANT_2
VANT_1
ASM_In_TX850
ASM_In_TX1800_1900
VTXLO_850
VBATT
Iref_850
Iref_1800/1900
Mode
ALC
TXA
VPECTRL3 (ALC)