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LMX2594 EVM Instructions 15-GHz Wideband Low …

LMX2594 EVMI nstructions 15-GHzWidebandLowNoisePLL WithIntegratedVCOUser's GuideLiteratureNumber:SNAU210 March20172 SNAU210 March2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedTableof a Resultsto Bill of ChangingReferenceOscillatorand EnablingOnboardDC-DCBuckConverter(TPS621 50)..313 SNAU210 March2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedLMX2594 EVMI nstructions 15-GHzWidebandLow NoisePLL WithIntegratedVCOUser's GuideSNAU210 March2017 LMX2594 EVMI nstructions 15-GHzWidebandLowNoisePLL WithIntegratedVCOF igure1.

LMX2594 EVM Instructions – 15-GHz Wideband Low Noise PLL With Integrated VCO User's Guide Literature Number: SNAU210 March 2017

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Transcription of LMX2594 EVM Instructions 15-GHz Wideband Low …

1 LMX2594 EVMI nstructions 15-GHzWidebandLowNoisePLL WithIntegratedVCOUser's GuideLiteratureNumber:SNAU210 March20172 SNAU210 March2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedTableof a Resultsto Bill of ChangingReferenceOscillatorand EnablingOnboardDC-DCBuckConverter(TPS621 50)..313 SNAU210 March2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedLMX2594 EVMI nstructions 15-GHzWidebandLow NoisePLL WithIntegratedVCOUser's GuideSNAU210 March2017 LMX2594 EVMI nstructions 15-GHzWidebandLowNoisePLL WithIntegratedVCOF igure1.

2 March2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedLMX2594 EVMI nstructions 15-GHzWidebandLow NoisePLL WithIntegratedVCO2 EvaluationBoardSetupFigure2. LMX2594 EVMS etupSPACER1. Power:a. Set powersupplyto V with 600-mAcurrentlimit and connectto InputSignal:a. VC-708100-MHzon-boardoscillatorenabled(d efault).To use anotherreference,see ProgrammingInterface: ReferencePro will provideSPI interfaceto programLMX2594:a. ConnectUSBcablefromlaptopor PC to USBport in ReferencePro. This providespowertoReferencePro Boardand communicationwith TICSGUIb.

3 Connect10 pin ribboncablefromReferencePro to LMX2594 EVMas Output:a. ConnectRFoutAMor RFoutAPto a 50- on the unusedoutputifyou are usingonly a balunif you are RegulatorNot EnabledDiff. RF Output ADiff. RF Output BLMX2594100 MHz XODiff. Reference Input Single Ended Signal Can Be UsedPower Supply VoltSyncSys RefLock Indicator LEDS witch to Select:1) SPI read block2) Lock Indicator(1 or 2)Loop Filter Components (*_LF)Serial Interface March2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedLMX2594 EVMI nstructions 15-GHzWidebandLow NoisePLL WithIntegratedVCO3 EVMD escriptionThe LMX2594is populatedon a briefdescriptionshouldhelp you use the EVM:Figure3.

4 LMX2594 EVMD escriptionThe serialinterfacepin descriptionis as follow:Table1. EVMand CE (ChoosewithResistorson Board)2 CSB3 MUXout4 SDI5 Not March2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedLMX2594 EVMI nstructions 15-GHzWidebandLow NoisePLL WithIntegratedVCOThe LD switchshouldbe on to enableLockindicator:Figure4. LD March2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedLMX2594 EVMI nstructions 15-GHzWidebandLow NoisePLL Software1. DownloadTICSPro fromthe TI Websiteat Installit by followingthe wizard3. Searchfor LMX2594 :Clickon SelectDeviceFrommenubar PLL+VCO LMX2594 Figure5.

5 Searchfor LMX2594on TICSPro4. You are now readyto use this you can communicatewith ReferencePro. SelectinterfaceunderUSBcommunications:Fi gure6. USBC ommunicationson March2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedLMX2594 EVMI nstructions 15-GHzWidebandLow NoisePLL WithIntegratedVCO5. Clickon identifyand you shouldsee the LED(MSP430 Supplied)Blinkon ReferenceProFigure7. USBC ommunicationBetweenTICSPro and a LockState9 SNAU210 March2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedLMX2594 EVMI nstructions 15-GHzWidebandLow NoisePLL WithIntegratedVCO4 BringingLMX2594to a LockStateLoadthe defaultmodeby selectingit as shownin Figure8:Figure8.

6 TICSPro GUI LMX2594 DefaultConfigurationBringingLMX2594to a March2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedLMX2594 EVMI nstructions 15-GHzWidebandLow NoisePLL WithIntegratedVCOFor best results,in theUserControlsTab in TICSPro. UnderGeneralControls, checkand unchecktheResetbox. Afterthe reset,Writeall registersas shownin Figure9:Figure9. TICSPro WriteAll March2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedLMX2594 EVMI nstructions 15-GHzWidebandLow NoisePLL WithIntegratedVCO5 CurrentLoopFilterConfigurationThe parametersfor the loop filtersare:Table2.

7 CurrentLoopFilterConfigurationPARAMETERV ALUEVCOGain132 MHz/VLoopBandwidth285 kHzPhaseMargin65 degC1_LF390 pFC2_LF68 nFC3_LFOpenC4_LF1800pFR268 R3_LF0 R4_LF18 EffectiveChargePumpGain15 mAPhaseDetectorFrequency(MHz)200 MHzVCOF requencyDesignedfor 15 GHz,but worksoverthe wholefrequencyrangeFigure10. CurrentLoopFilterConfigurationFor detaileddesignand simulation,see the PLLatinumSim applicationnotes,blogs,orvideoson our products,see Resultsto March2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedLMX2594 EVMI nstructions 15-GHzWidebandLow NoisePLL WithIntegratedVCO6 Key Resultsto ExpectFigure11.

8 PhaseNoisePlot at 14-GHzOutputFrequencyThis assumesthat the inputreferenceis very clean,suchas a signalgeneratoris LMX2594requiresan March2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedSchemat icAppendixASNAU210 March2017 SchematicFigure12. Schematic14 SNAU210 March2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedBill of MaterialsAppendixBSNAU210 March2017 Bill of MaterialsTable3. Bill of MaterialsDESIGNATORDESCRIPTIONMANUFACTUR ERPARTNUMBERQUANTITY!PCBP rinted-CircuitBoardAnySV6013081C1, C3, C9, C14,C15,C17,C30 CAP,CERM, F, 16 V, 5%,X7R,0603 AVX0603YC104 JAT2A7C1_LFCAP,CERM,390 pF, 50 V, 5%, C0G/NP0,0603 KemetC0603C391J5 GACTU1C2, C4, C8, C16 CAP,CERM,10 F, 10 V, 10%,X5R,0805 KemetC0805C106K8 PACTU4C2_LFCAP,CERM, F, 50 V, 10%,X7R,0603 MuRataGRM188R71H683KA93D1C4_LFCAP,CERM,1 800pF, 50 V, 5%, C0G/NP0,0603 MuRataGRM1885C1H182JA01D1C5, C6, C7, C10,C11,C12 CAP,CERM, F, 16 V, 10%,X7R,0402AT Ceramics520L103KT16T6C13,C18,C23,C24,C26 ,C27,C28,C29 CAP,CERM,1 F, 16 V, 10%,X7R,0603 TDKC1608X7R1C105K080AC8C19,C20,C21,C22,C 25 CAP.

9 CERM,10 F, 10 V, 20%,X5R,0603 TDKC1608X5R1A106M080AC5CE_TP,CSB_TP,GND_ TP,MUXout_TP,RampCLK_TP,RampDIR_TP,SCK_T P,SDI_TP,SYNC_TP,SysRefReq_TP,Vcc_TP,Vcc RF_TP,Vtune_TPTestPoint,Compact,White,TH Keystone500713 Cin_0 CAP,CERM,10 F, 25 V, 10%,X5R,0805 MuRataGRM219R61E106KA12D1 Cout0 CAP,CERM,22 F, 16 V, 10%,X5R,0805 TDKC2012X5R1C226K125AC1 CssCAP,CERM,3300pF, 50 V, 5%, C0G/NP0,0603 MuRataGRM1885C1H332JA01D1D1 LED,Green,SMDLite-OnLTST-C190 GKT1L1, L2 Inductor,Multilayer,Air Core,18nH, A, , SMDMuRataLQG15HS18NJ02D2L1_TPSI nductor,Shielded,Composite, H, A, , SMDC oilcraftXFL4020-222 MEB1 LBL1 ThermalTransferPrintableLabels, " W x " H -10,000per rollBradyTHT-14-423-101 MUXout_SWSwitch,SPST,Slide,Off-On,2 Pos, A, 20 V, March2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedBill of MaterialsTable3.

10 Bill of Materials(continued)DESIGNATORDESCRIPTIO NMANUFACTURERPARTNUMBERQUANTITYOSCinM,OS CinP,SYNC,SysRef,VccConnector,SMT,End launchSMA50 ohmEmersonNetworkPowerConnectivity142-07 01-8515R1 RES,330 , 5%, W, 0603 YageoAmericaRC0603JR-07330RL1R2 RES,100 k, 5%, W, 0603 Vishay-DaleCRCW0603100 KJNEA1R2_LFRES,68, 5%, W, 0603 Vishay-DaleCRCW060368R0 JNEA1R3_LF,R12,R15,R24b,R26,R29b,R31,R34 ,R35,R36,R41,R42,R43,R44,R45 RES,0, 5%, W, 0603 Vishay-DaleCRCW06030000Z0EA15R4_LFRES,18 , 5%, W, 0603 Vishay-DaleCRCW060318R0 JNEA1R5, R7, R8, R9,R16,R19,R20,R22 RES,12 k , 5%, W, 0603 Vishay-DaleCRCW060312K0 JNEA8R33 RES,10 , 5%, W, 0603 Vishay-DaleCRCW060310R0 JNEA1R32 RES,100,1%, W, 0603 Vishay-DaleCRCW0603100 RFKEA1R37,R38,R39,R40 RES,50, , , 0402 Vishay-DaleFC0402E50R0 BST14 Rfbb1 RES,180 k, , W, 0603 YageoAmericaRT0603 BRD07180KL1 Rfbt1 RES,562 k, 1%, W, 0603 Vishay-DaleCRCW0603562 KFKEA1 RFoutAM,RFoutAP,RFoutBM,RFoutBPJACK,SMA, 50 , Gold,EdgeMountJohnson142-0771-8314U1 HighPerformance,WidebandPLLatinumRF Synthesizer,RHA0040A(VQFN-40)


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