Rf Measurement Points - Nokia RM-12 Troubleshooting Instructions

CCS Technical Documentation

RF Measurement points

VANT_3
ASM_out_900RX ASM_out_1800RX
ASM_in_900TX
To antenna
VANT_2
VANT_1
ASM_in_1800/1900TX
Mode
Iref_900
VTXB_900
PA_in_900
VPCTRL_1800/1900
VPCTRL_900
5
ASM_out_1900RX VBAT
LNA_P
RX_1900_saw
_out
Iref_1800_1900
VTXB
PA_in_1800/1900
_1800_1900
RFBusReset/J7307
Figure 2: Measurement points
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1800_RX_In
900_RX_In
LNA_VCC
1900_RX_In
VPECTRL3(ALC)
RFBusEna1/J7306
RFBusData/J7304
RFBusClk/J7305
VR4
VR7
VR6
TXC
RXQ/J7303
RXI/J7302
TXP/J7300
TXA/J7301
TXQP/QN
TXIN/TXIP
VR5
VR1
VR2
VR3
26MHz to BB
Issue 1 11/2004
RM-12
VCTCXO
26Mhz out