Specifications

Maxiva UAX
October 17, 2013
5‐21
888‐2693‐004 WARNING:Disconnectprimarypower priortoservicing.
Copyright©2013,HarrisBroadcast
Note
Refer to Figure 5-11. Coupler and sample configurations will vary with transmitter size and configura-
tion.
Priortoc
alibrationsetthedesiredsystempoweroutputinkW(peakvisionpower).IfthesystemhasdualLPUs,the
systempowerissetusingtheTCU’ConfigurationScreen’in3.5.3onpa
ge3‐13.IfthereisnoTCU,seeLPU’System
ConfigurationScr
een’inSection3.6.3onpage3‐23.Referto’ForwardPowerReference’.Thevaluemustbegreater
thanzero.
Note
Do not rely on the forward and reflected power GUI indications during power calibration. They may not
display accurate values during the calibration procedure.
5.6.1 AverageandPeakPowerConversion
Withablankinglevel(blackpicturewithnosetup)signalappliedtothetransmittervideoinputterminalsandsync
levelsetto300mV(PAL)or40IRE(NTSC),therequiredaveragecarrierpowercanbecalculatedbymultiplyingthe
requiredpeakpowerofthetransmitterbyusingoneofthefa
ctorsbelow,dependingonsystemtype.
Thech
artbelowliststhesupportedsystems,theconversionfactorforvisiononlycalibration,andconversionfactors
forcalculatingaveragepowerwhenauralcarrierispresentinthesignal.
Alsoli
stedaretheformulastocalculatefactorsforotherauralinjectionlevels,aswellastheformulaforcalculating
thefactorwhenthereismorethan1auralcarrier,suchasNicamorDualCarriersoundsystems.
Table5‐1AveragetoPeakConversionFactors
Analog
System
Visual
Only
Visualplus(MONO)AuralInjectionatIndicatedLevels
‐8dB ‐9dB ‐10dB ‐11dB ‐12dB ‐13dB ‐14dB ‐15dB
B 0.567 0.726 0.693 0.667 0.647 0.630 0.617 0.607 0.599
G 0.567 0.726 0.693 0.667 0.647 0.630 0.617 0.607 0.599
H 0.595 0.753 0.721 0.695 0.674 0.658 0.645 0.634 0.626
I 0.609 0.767 0.735 0.709 0.688 0.672 0.659 0.648 0.640
D 0.595 0.753 0.721 0.695 0.674 0.658 0.645 0.634 0.626
K 0.595 0.753 0. 721 0.695 0.674 0.658 0.645 0.634 0.626
K1 0.595 0.753 0.721 0.695 0.674 0.658 0.645 0.634 0.626
M 0.595 0.753 0.721 0.695 0.674 0.658 0.645 0.635 0.626
N 0.597 0.755 0.723 0.697 0.676 0.660 0.647 0.636 0.628