Operating Manual Vol 1 - ES Documentation

Digital Standard NADCSMIQEXECUTETRIGGERExecutes a trigger even to start the NADC signal generation.IEC/IEEE-bus command :TRIG:DM:IMMTRIGGER...Opens a window for selecting the trigger source, for configuring the triggeroutput signals and for setting the time delay of an external trigger signal.FREQNADC100. 000 000 0 MHzLEVEL -30.0 dBmPEP - 27.6 dBmFREQUENCYLEVELANALOG MODVECTOR MODDIGITAL MODDIGITAL STDLF OUTPUTSWEEPLISTMEM SEQUTILITIESPHSIS-95NADCPDCGSMSTATETRIGGER SOURCE INT EXTMODULATION... EXT TRIGGER DELAY0 SymbTRIGGER MODEEXECUTE TRIGTRIGGER....CLOCK...POWER RAMP C>SLOT ATTENUAEXT RETRIGGER INHIBITTRIGGER OUT2 DELAYTRIGGER OUT2 PERIOD0 Symb0 Symb1 Frames1TCHFig. 2-178Menu DIGITAL STD - NADC_TRIGGER..., SMIQ equipped with Modulation CoderSMIQB20 and Data Generator SMIQB11(TRIGGER...) TRIGGER SOURCE Selection of trigger source.EXT The NADC signal generation is startedby the active slope of an external triggersignal.The polarity, the trigger threshold andthe input resistance of the TRIGIN inputcan be modified in menu DIGITAL MOD- EXT INPUTS.INT A trigger event can be executed byEXECUTE TRIGGER .IEC/IEEE-bus :SOUR:NADC:TRIG:SOUR EXTEXT TRIGGERDELAYSetting the number of symbols by which an externaltrigger signal is delayed before it starts the NADCsignal generation.This is used for setting the time synchronizationbetween the the SMIQ and the DUT.IEC/IEEE-bus :SOUR:NADC:TRIG:DEL 31125.5555.03 2.268E-9