Nokia Flexi Multiradio BTS - Figure 14 Functional Blocks of the 2 TX RRH

•
RXblock
–
TheRXblockincludestwo2-carrierreceivers
•
Antennafilterblock
–
AntennafilteringforTXandRXsignalsisdoneintheAntennafilterblock
Seethefollowingfigureforthefunctionalblocksofthe2TXRRH.
Figure14
Functionalblocksofthe2TXRRH
RF control
PSU
TX RF
RX
PA
RX filter
TX filter
Optical IF
DC IN
LNA
Bias-T
VSWR
Det
TX RF
RX
PA
RX filter
TX filter
LNA
VSWR
Det
Optical IF
EAC
RET
Bias-T
RF
loop
g
2x60WRRHhavethesamefunctionalblocksas2x40WRRHexceptthat
2x60WRRHhasbias-TonlyonBranch1(withANT1)tosupportMHAsinAISG
mode.
RFModuleandRRHmainblocks FlexiMultiradioBTSRadioModuleandRemoteRadio
HeadDescription
26 DN0951745 Issue:05
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