Sharp SD-AT1000W Especificaciones Pagina 203

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Maxiva UAX
October 17, 2013
523
8882693004 WARNING:Disconnectprimarypower priortoservicing.
Copyright©2013,HarrisBroadcast
Figure 5-12 LPU FWD & REF Sample Inputs
Thisva
lueof0dBmalsocorrespondstothehighpointcalibrationvalueforthesystemreflected(REFPWR) input.
Systemreflectediscalibratedoverarangecorrespondingto30dB…10dBreturnloss,whichcorrespondstoreflected
sampleinputsof‐20dBmforthelowpointand0dBmforthehighpointafterfa
ctoringinreflectedcouplingvalue,
cabling,pad,andsplitter(ifinstalled).Thus,reflectedcalibrationcanbeperformedbyraisingthetransmittertofull
outputpowerandtemporarilyconnectingtheLPUFWDsamplecabletothe REFPWRinputthrougha20dB
attenuatorpadforthelowpoint,anddirectly(nopad)fo
rthehighpoint.PleaseseetheSystemReflectedPower
CalibrationSection5.6.3onpage527formoredetailonthisprocedure.
Note
RTAC is disabled during calibration. Power control is automatically switched to manual mode during cal-
ibration.
Figure 5-13 System Calibration
Stored Calibration
Figure 5-14 RTAC Linear/Non-Linear RTAC Stored Correction Sets
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