User Guide

CCS Technical Documentation 7 - RF Description & Troubleshooting
Company Confidential RH-4
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OUTHP
OUTHM
OUTLP
OUTLM
DET
VB_DET
VANTL / VANTM / VANTH
TXC TXP
VTXLOL
TXIP/TXIM
TXQP/TXQM
2
2
PLFB1
PLFB2
VPCH/VPCL
2
VTX
TXC
TXP
VDDTX
Supply
filter
VR2
VTXBH
VTXBL
VTXLOH
DET
PA
Dir. Coupler
VBATTRF
PCN/PCS
EGSM
PW-
loop
filter
SAW
VTX
Buffer
Balun
3
PA_IDENT
1/2
1/4
Open
collector
Open
collector
PWC
RF
Controls
RF
Controls
2
2
2
2
VDDDIG
VDDRXBB
Ant Switch
PCN
TX
GSM
TX
PCS
Mjølner