Zte ZXSDR R8860E GU858 - Board Functions

Chapter3StructureandPrinciples
R8860EGU858iscomposedofADTR,PA,DFL,RIE,PIB,andPRDC,asshowninT able
3-3.
Table3-3COMPOSITIONOFM8206CABINETHARDWARE
NameMeaningMainfunctions
ADTR
AdvancedDual-modetransceiver
board
Completesthefunctionoftransmitterbyonepath
andreceiverbytwopaths,providinginterfaceand
control
PARRUPowerAmplyUnit
Providesamplicationfunctionduringtransmission
forRFsignal
DFLDuplexerlterline
Providesreceiving&transmittingcombinationand
divisionfunctionforRFsignal,andprovideslow
noiseamplicationfunctionforsignal.Itincludes
duplexerbyonepathandreceivinglterbyone
path.
RIERRUinterfaceexchangeboard
MainlycompletesthetransitionbetweenPIBboard
testandmonitoringinterfacesignal
PIBProtectiveinterfaceboard
Mainlycompleteselectricallytunedantennaand
toweramplierAISGinterfaceprotectionand
ADTRboardinterfacesignaltransition
RPDCRRUPowerModuleSuppliedbyDCpowerconversion
3.2.2BoardFunctions
1.ADTR
Process2pathsreceivingand1pathtransmittingsignal;
Uplink&downlinktransitionforradiolinksignal;
DownlinkIQsignalmultiplexing,uplinkIQsignaldemultiplexing;
Signalamplication,lter,anddigit/analogconversion;
Opticalandelectricsignalconversion;
Extractclockreferencesignalfrombasebandunit,provideclockfordifferentmodules;
RTWPandTSSImeasurementreport;
Standingwaveratio(SWR)measurementreport
Hardwarefailureself-testandalarm;
EnvironmentDetection;
Provide2pathsofbaseband–RFinterfaceand4pathsofexternalalarminput,anda
serialport,aFEinterface,aRS232interface,andaAISGinterface;
Provideresetfunction.
3-5
SJ-20101210110401-001|2010-12-06ZTEProprietaryandCondential