Agilent 33120A User's Guide

Chapter 6 Application ProgramsUsing the APPLy Command. . . continuedvoid out_waveform(void){/* Set up the burst waveform with a burst count of 1 and a startingphase of 270 degrees. The burst waveform is a 5 kHz sine wavewith an output amplitude of 5 Vpp. An offset voltage of 2.5 Vdcis added to create a "haversine" wave. The "triggered burst" mode isused and the function generator will output a single burst when a"bus" trigger is received over the GPIB interface. */}static char *cmd_string[]={"OUTP:LOAD 50", /* Output termination is 50 ohms */"APPL:SIN 5000,5", /* Carrier is a 5 kHz sine wave @ 5 Vpp */"BM:NCYC 1", /* Burst count is 1 cycle */"BM:PHAS 270", /* Starting phase is 270 degrees */"VOLT:OFFS 2.5", /* Offset voltage is 2.5 Vdc */"TRIG:SOUR BUS", /* Trigger source is "bus" */"BM:STAT ON" /* Turn burst modulation on */};/* Call the function to execute the command strings shown above */command_exe(cmd_string, sizeof(cmd_string)/sizeof(char*));/* Call the function to check for errors */check_error("out_waveform");/**************************************************************************/void command_exe(char *commands[], int length){/* Execute one command string at a time using a loop */}int loop;for (loop = 0; loop < length; loop++){IOOUTPUTS(ADDR, commands[loop], strlen(commands[loop]));}/**************************************************************************/250