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TUA6100
Digital Satellite Tuner _ Frontend Systems
TUA6100B6
DCRSat-Frontend
GaincontrolledI/QMixer
fordigitalQPSKSatsignals
Components
forSatelliteReceiverUnits
Edition01.2001
PublishedbyInfineonAG,
Marketing-Communication,
Balanstr.73,
81541MunichInfineonAG1999.
AllRightsReserved.
Attentionplease!faraspatentsorotherrightsofthirdparties
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Theinformationdescribesthetypeofcompo-
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characteristics.
Termsofdeliveryandrightstochangedesign
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Ausgabe01.2001
HerausgegebenvonInfineonAG,
Marketing-Kommunikation,
Balanstraße73,
81541MünchenInfineonAG1999.
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DataClassification
MaximumRatingsMaximumratingsareabsoluteratings;exceedingonlyoneofthesevaluesmaycauseirreversibledamageto
theintegratedcircuit.
CharacteristicsThelistedcharacteristicsareensuredovertheoperatingrangeoftheintegratedcircuit.Typicalcharacteristics
specifymeanvaluesexpectedovertheproductionspread.Ifnototherwisespecified,typicalcharacteristics
applyatTA=25-Candthegivensupplyvoltage.
TUA6100B6
RevisionHistory:CurrentVersion:01.2001,V219Previousversion:10.2000
,V217->V218Previousversion:12.2000
,V218
Page
TUA6100B6
1Features.........................................................1
Package.........................................................1GeneralDescription................................................1OrderingInformation...............................................2PinConfiguration..................................................2PinDefinitionsandFunctions.......................................3Applications......................................................3
7BlockDiagram....................................................4CircuitDescription.................................................5
8.1InputMixer........................................................5
8.2BasebandAmplifier.................................................5
8.3OutputPorts.......................................................5
8.4ReferenceVoltage..................................................5
8.5ReferenceOscillator................................................5
8.6CrystalOscillatorOutput.............................................6
8.7SynthesizerLoopfilter...............................................6
8.8SynthesizerVCO...................................................6
8.9PhaseShift0/90.................................................6
8.10GHzVCO.........................................................6
8.11GHzPLL.........................................................7
8.11.1FunctionalGHzPLLBlockDiagram....................................8
8.11.2GHzPLLprogramming..............................................9
8.11.3SynthesizerVCObandswitching.......................................9
8.12SynthesizerPLL...................................................10
8.12.1SerialBusControlLogic............................................102Cbusmode.....................................................10
3-wirebusmode..................................................11
DualModulusPrescaler.............................................11
R-CounterandA-/N-Counter........................................11
PhaseComparator(Frequency/PhaseDetector)..........................11
ChargePump.....................................................12
LockDetector.....................................................12
8.12.2FunctionalSynthesizerPLLBlockDiagram..............................13
8.12.3Divideratioprogramming............................................14
8.12.4Phasedetectoroutputs.............................................14
8.13BusInterface.....................................................15
8.13.1ChipaddressOrganisation...........................................15
8.13.2SubaddressOrganisation...........................................15
8.13.3BusDataFormat..................................................16
TableofContents
PreliminarySpecificationTUA6100B6ElectricalCharacteristics..........................................21
9.1AbsoluteMaximumRatings..........................................21
9.2OperatingRange..................................................22
9.3AC/DCCharacteristics..............................................23Testcircuit......................................................27Applicationcircuits...............................................28
highsidesynthesizerVCOnarrowbandloopfilterexample.................28
highsidesynthesizerVCOwidebandloopfilterexample...................29
Phasenoiseperformanceofapplication................................30
Optimumphasedetectorcurrent......................................31
VCOsteepness+phasedetectorcurrentranges.........................31
VCOtuningvoltage................................................32
Receivingfrequencybandsplittinginto2or3ranges......................32Basebandfilter..................................................33
Frequencyresponseincl.thetwobasebandamplifiers+outputload.........33
Groupdelayincl.thetwo+16dBbasebandamplifiers+outputload..........33ElectricalDiagrams...............................................34
13.1Frequencyflatnessofbasebandoutputs...............................34
13.2Groupdelayofbasebandoutputs.....................................34
13.3Frequencyresponseofbasebandoutputs..............................35
Groupdelayatlowfrequencies,dependentoncouplingcapacitor............36
13.4RFgaincontrolrange..............................................36
13.5RFinputimpedance................................................37inputimpedancecontinued,Smithdiagram...........................38
13.6Basebandoutputimpedancepin13,14(filtered),Smithdiagram............38
13.7Basebandoutputimpedancepin19,20,Smithdiagram...................39
BasebandoutputimpedancePin19,20(Ohm)..........................39
BasebandoutputinductancePin19,20(Henry).........................40
13.8BasebandInputImpedance(filtered)..................................40PackageOutlines.................................................41
