DEMI_DEM-432-28_用户操作说明书手册.pdf
DEMPartNumber432-28______
43_____MHzTransverter,__________MHzIF,SN__________
PowerOut:10Watts50WattsOther__________
NoiseFigureandGain:0.8dBnominal,@17dBconversiongain
DCPowerRequirement:11-16.5VDC,13.8nominal
IFOption:CommonSplit
IFDriveLevelMaximum:-20dBm10mW1-10WOther_____________
KeyingOption:PTT-togroundTTL-PositiveVoltage
Aux.ConnectionOutputTXRXHighLowOpen
Option:
AntennaOption:CommonSeparateTXRX
Externalpreamplifieroption:YESNO
SecondOscillatorInstalled:YESNO
SpecifiedCustomOption:NoneOption:___________________________________
OperationalOverview:
TheNewDEM432-28and432-28HPisa70cmto28MHztransverter.Withthenew
MOSFEThybridsnowavailable,itispossibletoproducetwodifferentpoweroutputlevel
transverters.Thestandard432-28willproduce10wattsofcleanlinearpowerfordrivingother
solidstateamplifiers.The432-28HPwillproduce+50wattstodrivetubeamplifiersdirectwithout
theneedofaintermediateamplifier.Bothmodelswilloperatewithall28MHz.transceiverswith
transverterportsandwithasimpleoption,itiscompatiblewithany28MHz.transceiverwith10
Wattsorlessoutputpower.Theoutputpowercanbelimitedwithaninternaladjustableattenuator
topresetthemaximumoutputpowerifyourequirelowerdrivewhenusinganadditionalpower
amplifier.