Data Sheet

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D. Measurementreferredtohighgainjumpersetting,withlimitedenvironmentalnoise,
inputsandoutputsterminated,outputsignalsdisabled,PCBgroundedthroughSMA
ground.Thespecifiednoisefloormeasurementiscalculatedfromthestandarddeviation
of16kcontiguoussamplesatfullrate.(Typicallyfullbandwidthstd(Vn)<2mV).Noise
floorspecificationdoesnottreatseparatelyspuriousspectralcomponentsand
representstimedomainnoiseaveragereferredtoa1Hzbandwidth.Inpresenceof
spuriouscomponentstheactualnoisefloorwouldresultlower. 
E. Measurementreferredathighgainjumpersetting,inputsmatchedandoutputs
terminated,outputssignaldisabled,PCBgroundedthroughSMAground.
F. Measurementreferredtohighgainjumpersetting,inputsandoutputsterminated,outputs
signaldisabled,PCBgroundedthroughSMAground. 
G. FurthercorrectionscanbeappliedthroughmoreprecisegainandDCoffsetcalibration.
H. DefaultsoftwareenablessamplingatCPUdependentspeed.Theacquisitionof
sequenceat100kspsraterequirestheimplementationofadditionalFPGAprocessing.
I. Firstorderlowpassfilterimplementation.Additionalfilteringcanbeexternallyapplied
accordingtoapplicationrequirements.
J. Theoutputchannelsaredesignedtodrive50Ωloads.Terminateoutputswhenchannels
arenotused.Connectparallel50Ωload(SMAteejunction)inhighimpedanceload
applications.
K. Measuredat10dBmoutputpowerlevel
L. Typicalpowerlevelwith1MHzsineis9.5dBm.Outputpowerissubjecttoslewrate
limitations.
M. Detailedschemeavailablewithindocumentation(Red_Pitaya_Schematics_v1.0.1.pdf)
N. ToavoidspeedlimitationsondigitalGeneralPurposeInput/Outputpinsaredirectly
connectedtoFPGA.FPGAdecouplingandpinprotectionistobeaddressedwithin
extensionmoduledesigns.Userisresponsibleforpinhandling.
O. Theuseofnotapprovedpowersupplymaydeteriorateperformanceordamagethe
product.
P. Heatsinkmustbeinstalledandboardmustbeoperatedonaflatsurfacewithoutairflow
obstructions.Operationathigherambienttemperatures,lowerpressureconditionsor
withinenclosurestobeaddressedbymeansofadequateventilation.Theoperationofthe
productisautomaticallydisabledatincreasedtemperatures.
Q. Somepartsmaybecomehotduringandafteroperation.Donottouchthem.
R. Measurementperformanceisspecifiedwithinthisrange.
S. Validforlowfrequencysignals.Forinputsignalsthatcontainfrequencycomponents
beyond1kHz,thefullscalevaluedefinesthemaximumadmissibleinputvoltage.
T. Jumpersettingsarelimitedtothepositionsdescribedintheusermanual.Anyother
configurationoruseofdifferentjumpertypemaydamagetheproduct.
U. SMAconnectorsonthecablesconnectedtoRedPitayamustcorrespondtothe
standardMILC39012.It’sImportantthatcentralpinisofsuitablelength,otherwisethe
SMAconnectorinstalledinRedPitayawillmechanicallydamagetheSMAconnector.
CentralpinoftheSMAconnectoronRedPitayawillloosecontacttotheboardandthe
boardwillnotbepossibletorepairduetothemechanicaldamage(separationofthepad
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