NuWaves XTENDER VU4GX02 Manuale utente

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USERMANUAL

NUPOWERXTENDERVU4GX02

BIDIRECTIONALVHF/UHFAMPLIFIER

PARTNUMBER:

NW‐BA‐VU‐4‐GX02

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NuWavesEngineering

132EdisonDrive

Middletown,Ohio45044

PH:513‐360‐0800

FAX:513‐539‐8782

www.nuwaves.com

[email protected]

NuPowerXtender™VU4GX02UserManual

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Rev1.2

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1 NUPOWER XTENDER™ PRODUCT LINE OVERVIEW

The NuPower Xtender family of solid state bidirectional RF amplifier modules, or “T/R modules,” is

designed to meet the demanding needs of the Aerospace & Defense, Industrial, and Commercial

markets.  Based on the latest Gallium Nitride (GaN) technology, NuPower Xtender’s power efficiency

andminiatureformfactormakeitidealforsize,weight,andpower‐constrainedbroadbandRFtelemetry

andtacticalcommunicationssystems.

1.1 NUPOWER XTENDER™ PRODUCT LINE HIGHLIGHTS

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 High Performance: Unique combination of broadband coverage, miniature form factors, and

highefficiency.

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 Enclosures:TheNuPowerXtenderfamilyofbidirectionalamplifiersishousedinanickel‐plated

aluminumenclosurewithmountingholesincorporatedintothechassis.

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 Completely Characterized: The NuPower Xtender family of solid state bidirectional amplifiers

has been completely characterized over temperature, voltage, and frequency.  These high‐

performancemodulesoffersignificantvaluefortheOEMuserortheSystemsIntegrator.

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 User Friendly: Reverse‐voltage and over‐voltage protection and regulator thermal shutdown

providedefensesagainstuserinterfaceissues.

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 High Reliability: NuWaves’ selection of conservatively rated components provides high

reliability.EachNuPowerisinspectedtoIPC‐A‐610ClassIIqualitystandards.NuWaves’Quality

ManagementSystemisAS9100:2016RevDandISO9001:2015certified.

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 Applications: Unmanned Aircraft Systems (UAS) • Unmanned Ground Vehicles (UGV) •

Unmanned Surface Vehicles (USV) • Broadband RF Telemetry •RFCommunicationSystems•

SoftwareDefinedRadios• TestLabs

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 AvailableOptions:

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o Fan‐cooledheatsinkwithNorthAmericanAC/DCwallplugadapter

o Labeledinterfacecablewithbananajackplugs

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NuPowerXtender™VU4GX02UserManual

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2 NUPOWER XTENDER VU4GX02 OVERVIEW

TheNuPowerXtender™ VU4GX02BidirectionalVHF/UHFAmplifiermoduleis asmall,lightweight,and

power‐efficientbidirectionalamplifier(BDA)idealforextendingthecommunicationrangeofhalf‐duplex

transceiversrunninghighpeak‐to‐averagewaveformssuchasOFDMorLTE.Thebidirectionalamplifier

generates16watts(Psat)or4wattsoflinearRFtransmitpower(‐30dBcACPR)from225to512MHzin

transmitmodeandtheintegratedlow‐noiseamplifierprovides15dBofgaininreceivemode.

BasedonthelatestGalliumNitride(GaN)technology,NuPower’shigh‐efficiencyand3.8in.

formfactor

makeitidealforSWaP‐constrainedapplications.Inaddition,NuPower’sbroadbandfrequencycoverage

supportsoperationalflexibility.

NuPower Xtender bidirectional amplifiers are designed with ruggedized chassis for high‐reliability in

harshenvironments.

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Figure 1: NuPower Xtender VU4GX02 Functional Diagram

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2.1 PRELIMINARY SPECIFICATIONS

The subsequent tables in this section outline the NuPower Xtender VU4GX02’s performance

specifications.

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Table 1: NuPower Xtender VU4GX02 Electrical Specifications

Parameter Specification

FrequencyRange 225to512MHz

RFOutputPower,Linear 4Watts@‐30dBcACPR

RFOutputPower,Psat 10Watts

TransmitRFGain 36dB(typ)

NominalInputDriveLevel +5dBm

MaximumInputDriveLevel +30dBm

ReceiveRFGain 15dB(min)

ReceiveNoiseFigure 2.5dB(typ)

T/RMode ManualT/RLine

T/RSwitchTime 8µS

SupplyVoltage 28VDC(+10to+32VDCinfinalproduct)

TransmitCurrentConsumption 1.1A@+28VDC(typ)@Pout=4W

1.6A@+28VDC(typ)@Pout=10W

ReceiveCurrentConsumption 175mA@+28VDC(typ)

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Table 2: NuPower Xtender VU4GX02 Environmental Specifications

Operating Conditions Specification

OperatingTemperature

(100%transmitdutycycle) ‐40to+85

C(baseplate)

StorageTemperature ‐55to+85

C

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2.1.1 MECHANICAL SPECIFICATIONS

Figure 2: NuPower Xtender VU4GX02 Mechanical Outline

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Table 3: NuPower Xtender VU4GX02 Mechanical Specifications

Parameter Specification

RFConnectors SMA(female)

Control/PowerInterfaceConnector 15PinMicro‐D(socket)

Dimensions(LxWxH) 2.34”x2.34”x0.7”

Weight 2.4oz.

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2.2 HEAT SINKING

The NuPower Xtender VU4GX02 is offered as a stand‐alone module,oraspartofakit,whichalso

includesafan‐cooledheatsinkwithanAC/DCadapterandaninterface cable with banana jack plug

terminations.Thefan‐cooledheatsinkprovidessufficientcoolingforoperatingtheNuPowerXtenderat

roomtemperature(25°C),however higherambient temperaturesmayrequire additionalheat‐sinking

tomaintainabaseplatetemperaturebelow60°Cat100%transmitdutycycle.

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Figure 3: The NuPower PA Kit offers “out‐of‐the‐box” operation for the user. The fan‐cooled heatsink

with an AC/DC adapter is shown with an example PA (NuPower Xtender not shown).

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Caution: The use of external heat‐sinking is required especially for those applications

requiringhighdutycycleoperation(e.g.continuouswave)orforextendedon‐timetesting.

Operationwithoutaproperheatsinkundertheseconditionswillcausepermanentdamage

totheproductandwillvoidtheproductwarranty.

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3 SETUP AND OPERATION

ThissectionprovidesspecificdetailsforproperoperationoftheNuPowerXtendermodule.Following

theseguidelineswillpreventdamagetothebidirectionalamplifierorexternalequipment.

3.1 POWER SUPPLY REQUIREMENTS

To operate the NuPower Xtender VU4GX02, ensure that the power supply has adequate overhead to

source the current demand of the RF amplifier.  The power supply source must provide a voltage of

+28VDCwithgreaterthan3ampscapability.

3.2 CONNECTING A PROPER LOAD TO THE ANTENNA TERMINAL

Topreventdamagetotheamplifiermodule,theantennaterminalmustbeterminatedintoa50Ωload.

Examplesofaproperloadinclude:

 Directly connecting to an antenna specified for the frequency range (225 to 512 MHz).

Connectingtoaninappropriateantennamayresultindamagetotheamplifiermodule.

 Connectingtoaproperantennathrougha50Ωtransmissionlineorcoaxialcable.Avoidusing

damagedcablesorcorrodedconnectorswhileattachingtheunittoanantenna.

 Terminating the antenna terminal into a 50 Ω power attenuator with minimum 20 dB

attenuation.

 Connectingtoa50ΩloadcapableofdissipatingtheRFpowerfromtheamplifiermodule.Loads

capableofhandling30Watts(min)arerecommended.

3.3 POWERING‐UP THE NUPOWER XTENDER

TheNuPowerXtenderVU4GX02mustbeterminatedintoaproperloadbeforepowerisapplied.Refer

toSection3.2forthespecificationsoftheproperload.Aftertheamplifierisproperlyterminated,the

interfacecablecanbeconnectedtotheunitandpowercanbeapplied.Theamplifierisnowreadyfor

operation.

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4 HARDWARE INTERFACE

 Thetransceiverinterfaceconnector,“XCVR,”isSMA(female).

 Theantennaconnector,“ANT,”isSMA(female).

 Thepin‐outdefinitions forthe15pinMicro‐D socketconnector,“CTRL/PWR,”areprovidedin

Table4.Inatypicalinstallation,theamplifiermoduleismatedtoahostcontrollerboardviaa

cableharness.

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TheANTSMAconnectoristheantennaconnection.Thisconnectionshouldalways

beloadedinto50Ω,otherwisetheamplifiercouldbedamaged.

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4.1 INTERFACE CONNECTOR

TheNuPowerXtenderVU4GX02featuresa15pinMicro‐Dinterfaceconnectorforcontrol,power,and

groundconnections.

Table 4: NuPower Xtender Interface Pin‐Out Definitions

Socket No. Name I/0 Description

3,4,5,6,12,13 VSupply I PrimaryPower(+28VDC)

1,7,8,10,11,14,15 GND I SignalandPowerGround

2 Temp O OverTemperatureFlag

9 TR_EN I Transmit/ReceiveEnable

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Thestandardinterfacecableharnessiscomprisedof15wires,includesaMicro‐Dconnectorwithpins,

andmatesdirectlytotheNuPowerXtenderinterfaceconnector.

4.2 DC POWER

ThenominalsupplyvoltagefortheNuPowerXtenderVU4GX02is+28VDC.

4.3 GROUND

Thesignalandpowergroundsaretiedtogetherintheamplifiermodule.

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4.4 OVER TEMPERATURE FLAG

Thissignalisanoutputtoindicateanover‐temperatureconditionintheNuPowerXtenderVU4GX02.A

logichigh(+5VDC)indicatesnormaloperation,whilealogiclow(0VDC)indicatesanover‐temperature

condition.TheXtenderVU4GX02incorporatesinternallogiccircuitrythatturnsofftheDCbiastotheRF

transistors.

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Caution: The amplifier should be shut down and allowed to cool offwhentheover‐

temperatureflagissetlowtoavoiddamagetothemodule.

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4.5 TRANSMIT/RECEIVE (T/R) ENABLE

TheXtendertransmitandreceiveswitchingis amanual controlfunction.Applyingalogiclow(0Vor

GND)totheT/RlineplacestheVU4GX02intransmitmode.Likewiseapplyingeitheralogichigh(+5V)

totheT/Rline,orleavingitfloat(NC),placestheVU4GX02inreceivemode.

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5 PRODUCT DISPOSAL – END‐OF‐LIFE

SafetyisaguidingprincipleofNuWavesEngineering.Weensuresafeproductionandoperationofour

products, as well as end‐of‐life disposal.  Improper disposal canadverselyaffecttheenvironment,

wildlifeandhumanhealth.PleasefollowtheseguidelineswhendisposingofaNuWavesproduct:



 Donotremovethecoveroranyhardware

 Donotremovecomponentsfromthecircuitcardassembly

 Donotincinerate

 Donotcrushorshred

 Donotdisposeofasunsortedmunicipalwaste

 Donotexporte‐wasteoutsideoftheoriginaldestinationcountryforrecycling

 Utilizeane‐StewardorISO14001certifiede‐wasterecycler

 Considerexportcontrolsduringrecyclerselection

 If a NuWaves product is incorporated into a larger system or sub‐system, ensure that these

guidelinesarefollowedatsystemend‐of‐life

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