Diplexer Design Technical ReportWord文件下载.docx

Diplexer Design Technical ReportWord文件下载.docx

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FrequencyOptionTable:

TheredmarkoptionsuseonebodyHSG（#1）

4.Electricalspecifications 

:

4.1

FrequencyBands:

SpecifiedinTable3.2

4.2

T/Rspacing:

4.3

DiplexerP/N:

4.4

Low/HighPortfreqrange:

4.5

Bandwidth（Low/HighPort）

4.6

InsertionLoss:

XXdBacrossthebandwidthspecifiedinTable3.2

4.7

PassbandAmplitudeDistortion:

Linearamplitudedistortion0.2dB,acrossany24MHzwithinthepassband.

Parabolicamplitudedistortion0.1dB,acrossany24MHzwithinthepassband.

（Linearandparabolicdistortionaredefinedin

Figure4.1）

4.8

GroupDelayDistortion:

3nsforbothlinearandparabolicdistortion,acrossany24MHzwithinthepassband.

（Linearandparabolicgroupdelaydistortionaredefinedin

4.9

ReturnLoss:

18dBacrossthebandwidthspecified.

4.10

Isolation:

Isolationinmutualregion:

70dB,betweenTXandRXportswithterminationfittedtoANT（common）port

>

45dB（betweenTXandRXportswithterminationfittedtoANTportasdefinedinFigure4.2）

4.11

StopBand

RejectionatLOfrequencies70dB

4.12

HarmonicRejection:

2ndharmonicrejection30dB<

21.2GHz

20dB>

3rdharmonicrejection20dB

4.13

PowerHandling:

10Wminimuminputpower（connectorneedtostandfor10Wmin）

Figure4.1:

Amplitudeandgroupdelaydistortion

Mutualisolation

Figure4.2:

Passbandandrejection

5.MechanicalRequirements

5.1

Finishandmaterial

Filtermaterialtobechosenbysupplier,platingrequired.Assemblyshallbeprotectedagainstcorrosion/oxidation

5.2

Sizeandoutlinedrawing:

Seeattachedfilesfordiplexeroutlines:

Fig5.1

5.3

Portinterface:

DetailsareshowninTable5.2

5.4

MechanicalShock:

Mechanicalshocktoleranceincludes10Gpeak,11ms,3bumpsineachdirectionof3mutuallyperpendicularaxisforatotalof9bumps,withoutsystemperformancedegradationwhilemountedintheODUunit（Reference:

ETS300019-2-4,IECClass4M3）

5.5

MechanicalStress:

Mechanicalstress:

Filtershallbecapableofflexing（bowing）+5milsfromAntennaporttoeachwaveguideportwithoutdamage,andwithoutfailingelectricalspecifications.Thefiltershallcontinuetoperformcorrectly,evenifdeflectedinthismannerindefinitely.

5.6

MechanicalVibration:

Mechanicalvibrationtoleranceincludes0.2Gpeak,sinusoidal,5to200Hz,1.5mmpeak,10minutes/axis,ineachof3mutuallyperpendicularaxis,withoutsystemperformancedegradationwhilemountedintheODUunit（Reference:

ETS300019-2-4,IECClass4M3）.

5.7

Weight:

<

500g

●OutlineDrawing

●DiplexerDesignAnalysis&

Estimation

●Simulation、TuningandOptimization

⏹Mode-Matching&

HFSS

◆Mode-Matchingschematic：

◆Mode-MatchingSimulationResults：

◆HFSSDrawing

◆HFSSSimulationResults

◆BendSimulation：

◆TeeSimulation

●MechanicalDrawing

●Plating

PrototypePhase:

Cu5Ag3

ProductionVolumePhase:

Cu8Ag2

●ManufacturingConsiderations

锡膏贴合制程

●TestResultsSummary

●Conclusion

经过实践样品的调试和测试，产品性能良好，各项规格都符合设计要求，且有一定余量，因此能够有利于后续实际生产的良率和成本控制。

整个设计过程基本为：

首先通过自己编辑的表格针对规格要求的OPTION,

通过模式匹配法的计算和仿真优化，然后再利用HFSS三维电磁软件的模拟验证，最后出图制作样品