Operating Manual Vol 1 - ES Documentation

SMIQDigital Standard PDCEXECUTETRIGGERTRIGGER...Executes a trigger even to start the PDC signal generation.IEC/IEEE-bus command :TRIG:DM:IMMOpens a window for selecting the trigger source, for configuring the triggeroutput signals and for setting the time delay of an external trigger signal.FREQPDC100. 000 000 0 MHzLEVEL -30.0 dBmPEP - 27.4 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 Frames0TCHFig. 2-187Menu DIGITAL STD - PDC_TRIGGER..., SMIQ equipped with Modulation Coder SMIQB20and Data Generator SMIQB11(TRIGGER...) TRIGGER SOURCE Selection of trigger source.EXT The PDC signal generation is started by theactive slope of an external trigger signal.The polarity, the trigger threshold and theinput resistance of the TRIGIN input can bemodified in menu DIGITAL MOD - EXTINPUTS.INT A trigger event is executed by EXECUTETRIGGER .IEC/IEEE-bus :SOUR:PDC:TRIG:SOUR EXTEXT TRIGGERDELAYSetting the number of symbols by which an externaltrigger signal is delayed before it starts the PDCsignal generation.This is used for setting the time synchronizationbetween the SMIQ and the DUT.IEC/IEEE-bus :SOUR:PDC:TRIG:DEL 31125.5555.03 2.285E-9